Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Ashok Pillar (Kasi Estate) · PIN 600083

Local GST Refund RFD-01 Support near Subramaniya Salai, Ashok Pillar (Kasi Estate)

Whether you are a first-time registrant or an established trader, GST Refund RFD-01 in Ashok Pillar (Kasi Estate) deserves a specialist rather than a side job. From Rs.4,999, our GST-focused Chennai practice runs the entire process on written checklists and senior-reviewed submissions.

We serve businesses on and around Subramaniya Salai — document pickup, in-person consultation at our Porur office, or fully online over WhatsApp.

  • Handled by senior GST practitioners — 20 years in Chennai tax practice
  • Transparent fee: Rs.4,999 onwards — full quote before we start
  • Same-day response on WhatsApp and phone (Mon-Sat: 9.00 AM - 8.00 PM)
  • Doorstep document pickup in Subramaniya Salai, Ashok Pillar (Kasi Estate)
Rs.4,999 onwardsProfessional fee
Application filed in 3-5 working days; sanction typically within 60 daysTypical timeline
20 yearsIn indirect tax practice
30 minCallback time

Get a Free GST Consultation

Share your number — a senior GST consultant calls you back within 30 minutes.

Type this number: ...

100% confidential. No spam. Mon-Sat: 9.00 AM - 8.00 PM

15+Years in GST & Tax Practice
1500+Chennai Businesses Served
50000+GST Returns Filed
24GST Services Handled In-House
Local Expertise

Trade Profile and GST Jurisdiction for Subramaniya Salai, Ashok Pillar (Kasi Estate)

Ashok Pillar marks the crossing of Inner Ring Road, 100 Feet Road and Anna Main Road, ringed by two wheeler and car showrooms, service centres, spare parts dealers, restaurants and travel operators. Kasi Estate behind Kasi Theatre houses studios, small printers, garment units and clinics, with Udhayam Theatre anchoring the retail strip and the LIC Colony and Ragavan Colony lanes carrying clinics and consultants. Vehicle dealers reconciling incentive credit notes and studios billing interstate clients keep GSTR-2B and place-of-supply work constant. We have supported businesses of exactly this profile with GST Refund RFD-01 across Ashok Pillar (Kasi Estate) for years, along with clients from Ashok Nagar and KK Nagar. The engagement is simple: one point of contact, a clear fee, documents over WhatsApp or in person at our Chennai office, and senior review before anything is submitted on the portal. What you get in return is clean filings, archived records and far fewer reasons for the department to write to you.

GST jurisdiction for Ashok Pillar (Kasi Estate) (PIN 600083): businesses here generally fall under the CGST Chennai South Commissionerate. We regularly represent clients from Ashok Pillar (Kasi Estate) before this jurisdiction for registrations, clarifications and notice hearings, and can confirm your exact division and range from your GSTIN. State-jurisdiction cases are handled with the Tamil Nadu Commercial Taxes Department.
GST for Pharma Distributors in Ashok Pillar (Kasi Estate)
Distributing medicines in Ashok Pillar (Kasi Estate) means handling several rates at once: most formulations moved to 5 percent from 22 September 2025, while specified lifesaving drugs are nil-rated, and nil-rated sales trigger proportionate credit reversal under Rule 42. Date-expired stock returned by chemists must travel back either as a fresh supply from the retailer or against a credit note under Section 34, following the procedure laid down in Circular 72/46/2018, with credit reversal where the goods are destroyed. Batch-wise and expiry-wise stock records are what officers ask for first. A specialist manages the returns paperwork, rate masters and reversal workings that drug distribution demands.
Yes, professional GST Refund RFD-01 is available in Ashok Pillar (Kasi Estate) starting at Rs.4,999. The process is handled end to end — documents over WhatsApp, senior-reviewed preparation, portal filing and same-day acknowledgement sharing.
Why Us

Why Subramaniya Salai, Ashok Pillar (Kasi Estate) Businesses Choose ChennaiGST

Not a bulk-filing portal. A senior consultant knows your file, your jurisdiction and your deadlines.

Proactive Alerts Before Problems Become Notices

If your GSTR-1 and GSTR-3B start drifting apart, if a large supplier stops filing, or if your turnover approaches the e-invoice threshold, we flag it to you immediately. Early warnings from our side are cheaper than departmental letters later.

GST Portal Expertise, Including the Difficult Days

OTP failures, DSC errors, stuck submissions on due-date evenings — we deal with the GST portal daily and know the workarounds. When the site misbehaves on the 20th, our team keeps retrying and escalating so your return still goes through.

Experience Across Trades and Sectors

Traders, manufacturers, contractors, e-commerce sellers, professionals and service exporters — we have handled GST for all of them. Whatever mix of goods and services your Ashok Pillar (Kasi Estate) business supplies, the rate, classification and place-of-supply questions have almost certainly crossed our desk before.

Same-Day Response, Every Working Day

Send your query on call or WhatsApp and you hear back the same working day, usually within a few hours. When a due date is close or a notice has landed, waiting two days for a reply is simply not acceptable, and we know it.

Waiver and Amnesty Windows Applied for You

Whenever the GST Council notifies a late-fee waiver or an amnesty window for pending returns or old demands, we check every client's history against it and act within the deadline. Relief that businesses in Ashok Pillar (Kasi Estate) would otherwise read about after it lapsed reaches our clients in time.

ITC Maximisation Within the Law

We match your purchase register against GSTR-2B every period, follow up on invoices your suppliers have not uploaded, and ensure every rupee of eligible input tax credit is claimed. Clients routinely recover credit they were silently losing under self-filing.

How It Works

Our GST Refund Process

Eligibility and computation

We identify the correct refund category, confirm the two-year limitation from the relevant date, and compute the admissible amount using the formula prescribed under the rules.

Document compilation

Invoices, shipping bills, FIRCs, the LUT and ledger extracts are compiled into the prescribed statements, and gaps that commonly cause deficiency memos are fixed upfront.

RFD-01 filing

The refund application is filed on the portal with all annexures and declarations, and the acknowledgement in RFD-02 is tracked within the statutory fifteen days.

Departmental follow-up

We respond to any deficiency memo in RFD-03 or show cause notice in RFD-08, appear through written submissions, and pursue provisional refund where the category permits.

Sanction and credit

We track the sanction order in RFD-06 and payment advice in RFD-05, confirm the credit in your validated bank account, and archive the complete claim file.

Checklist

Documents Required for GST Refund RFD-01

Send these on WhatsApp (+91 - 9600 606 444) and we take it forward the same day.

Transparent Pricing

What GST Refund RFD-01 Costs in Ashok Pillar (Kasi Estate)

Rs.4,999 onwards

Timeline: Application filed in 3-5 working days; sanction typically within 60 days · No hidden charges · GST invoice provided

  • Refund eligibility review and category selection
  • Maximum admissible refund computation under the prescribed formula
  • Preparation of statements and annexures for RFD-01
  • Filing of RFD-01 with complete supporting documents
  • Reply to deficiency memo RFD-03, if issued
  • Reply to show cause notice RFD-08 through RFD-09, if issued

Call +91 - 9600 606 444

Outcomes

What You Get

Practical outcomes our clients measure us by.

A Written Trail for Every Decision

Tax positions, rate choices and credit calls are documented as they are made, so if a question arises years later, the reasoning and evidence are on file rather than in someone's fading memory.

Fewer Errors at the Billing Counter

Your billing staff are guided on invoice fields, rates and series discipline, so mistakes are prevented where they originate — at the counter — instead of being repaired later in the returns.

Lower Total Cost of Compliance

A fixed professional fee is almost always cheaper than the combination of late fees, interest, lost credit and staff hours that informal, last-minute compliance quietly accumulates over a year.

The Lowest Tax Position the Law Allows

Your scheme choice — regular, composition or QRMP — is re-examined as turnover and margins change, so you are always paying under the structure that legitimately costs your business the least.

No More Late Fees

With returns filed ahead of the statutory due dates every period, the Rs.50-per-day GSTR-3B late fee simply stops appearing in your life, and the money stays in your business where it belongs.

Correct Tax the First Time

Rates, reverse charge, place of supply and blocked credits are applied correctly at the preparation stage, so you neither overpay tax you do not owe nor underpay and invite demands with penalty later.

Why a Specialist Matters

With ChennaiGST vs Doing It Yourself

AspectWith ChennaiGSTDIY / Unattended
Risk of noticesGSTR-1, GSTR-3B and GSTR-2B reconciled before filing, removing the mismatches that trigger most scrutiny notices.Inconsistent figures across returns quietly build a mismatch history that surfaces later as ASMT-10 scrutiny or a demand notice.
Due-date trackingA maintained compliance calendar with internal cut-offs days before the 11th and the 20th; we chase you for data, not the other way around.Deadlines remembered from memory or phone alarms; one busy week and the return slips past the due date.
Supplier defaultsSuppliers who stop uploading invoices are identified within the period and pursued before their default becomes your blocked credit.Missing supplier invoices surface only when credit is denied, by which time recovering the amount from the vendor is difficult.
Late fees and interestFilings go in ahead of statutory dates, so the Rs.50-per-day late fee and 18 percent interest never arise.Late fees accumulate silently every delayed day, and interest on unpaid tax runs at 18 percent per annum.
Input tax creditPurchase register matched against GSTR-2B each period, with defaulting suppliers chased so eligible credit is actually captured.Credit claimed from books alone; mismatches with GSTR-2B mean lost credit or excess claims that invite departmental queries.
Time costRoughly an hour a month to send data and approve drafts; the portal work, reconciliation and follow-up are ours.Hours every month lost to portal errors, JSON files, OTP failures and reworking figures — usually on the due date itself.
On This Street

GST Support on Subramaniya Salai, Ashok Pillar (Kasi Estate)

Subramaniya Salai is a residential street in Ashok Pillar (Kasi Estate), about 1.1 km south-east of the centre of Ashok Pillar (Kasi Estate). The same consultant covers the streets immediately around it — West Jones Road (about 250 m); Ragavan Colony East Street (about 450 m); L.I.C. Colony Main Road (about 550 m); Ashok Nagar 65th Street (about 600 m) — so a site visit on Subramaniya Salai can usually be combined with other work in Ashok Pillar (Kasi Estate) on the same trip. For GST purposes an address on Subramaniya Salai falls under the Chennai South CGST Commissionerate, and the Ashok Pillar (Kasi Estate) pincode is 600083.

Road classification and position from OpenStreetMap; distances are straight-line and approximate. Jurisdiction must be confirmed on your own registration certificate.

From Our Law Desk

Recent Developments in GST — relevant to Ashok Pillar (Kasi Estate) businesses

Selected notifications, Council decisions and court rulings that practising consultants are applying to live cases.

GST Council

Prosecution threshold doubled to Rs 2 crore and compounding amounts reduced

48th GST Council Meeting (video conferencing) — 17 December 2022 · 2022-12-17

The Council recommended decriminalising parts of the GST regime. The minimum threshold of tax for launching prosecution under Section 132 was raised from Rs 1 crore to Rs 2 crore, except for the offence of issuing invoices without any supply. The compounding amount was reduced from the range of 50 to 150 per cent of tax to 25 to 100 per cent. Three offences were decriminalised altogether: obstructing or preventing an officer in the discharge of duties, deliberate tampering with material evidence, and failure to supply information.

What it means for you: Ordinary compliance failures below Rs 2 crore of tax no longer expose a Chennai proprietor to criminal prosecution, though fake invoicing remains prosecutable at any value.

Notification

The whole textile chain now sits at 5 per cent

Notification No. 9/2025-Central Tax (Rate), dated 17 September 2025, Schedule I, Chapters 50 to 63 · 2025-09-17

Under the new Schedule I, woven fabrics of silk, wool, cotton, other vegetable fibres, man-made filaments and man-made staple fibres, knitted and crocheted fabrics, sewing thread of man-made filaments and staple fibres, and worn clothing and rags all attract five per cent. Man-made fibre and yarn, which had long been taxed higher than the cloth made from them, were also brought down, largely correcting the inverted duty structure that had troubled the Tamil Nadu textile belt since 2017.

Practical effect: Fabric traders and garment units charge five per cent across the chain, which should shrink credit accumulation and reduce dependence on inverted duty refunds.

Case Law

Constitution Bench rules that ambiguity in an exemption notification favours the department

Commissioner of Customs (Import), Mumbai v. Dilip Kumar & Co — Supreme Court, Constitution Bench, (2018) 9 SCC 1, judgment dated 30-07-2018 · 2018-07-30

A five-judge Bench held that an exemption notification must be interpreted strictly, and the burden of proving entitlement lies on the person claiming it. If there is genuine ambiguity in the wording of an exemption, the benefit of doubt goes to the revenue, not the taxpayer. This overruled the contrary view in Sun Export. The principle applies squarely to GST exemption and concessional rate notifications.

What it means for you: A Chennai business claiming a GST exemption or concessional rate must fit precisely within the notification's wording, as courts will not read it liberally.

References are provided for general information. Verify the current position on gst.gov.in or cbic.gov.in before acting.

FAQs

Frequently Asked Questions

Straight answers from practising GST consultants — based on the CGST Act, current CBIC notifications and day-to-day portal experience.

Do you provide gst refund application for small businesses and proprietorships in Ashok Pillar (Kasi Estate)?
Yes. A large share of our clients in Ashok Pillar (Kasi Estate) are proprietors, small traders, shop owners, freelancers and family businesses rather than large companies. The fee of Rs.4,999 and the process are the same regardless of size, and we explain the compliance position in plain language — in Tamil or English — so you understand what is being filed on your behalf and why.
How much does GST refund RFD-01 cost in Ashok Pillar (Kasi Estate)?
Our fee for GST refund RFD-01 in Ashok Pillar (Kasi Estate) starts at Rs.4,999 and is quoted in full before we begin — there are no hidden charges added later. The fee covers professional work end to end: document review, preparation, filing and follow-up until completion. Government fees or portal charges, where applicable, are separate and always shown to you upfront. For an exact quote based on your turnover and business type, call +91 - 9600 606 444 and a consultant will confirm it on the call.
I run a software services company in Ashok Pillar (Kasi Estate) billing US clients. Can I claim a GST refund?
Yes, provided your supplies qualify as export of services: the recipient is outside India, payment is received in convertible foreign exchange, and you and the client are not merely establishments of the same person. Export of services is zero-rated, so if you supply under LUT without charging IGST, the ITC on your rent, software subscriptions and other business inputs can be refunded through RFD-01. You must attach FIRC or bank realisation certificates proving foreign exchange receipt. Many IT exporters in Ashok Pillar (Kasi Estate) accumulate lakhs in unclaimed credit; call +91 - 9600 606 444 for a free eligibility review.
What documents do I need to attach with a GST refund application?
The documents depend on the refund category. Export refunds under LUT need a statement of invoices with corresponding shipping bill numbers and dates, or FIRC and BRC for service exports. Inverted duty claims need statements of inward and outward supplies with the Rule 89(5) computation. All claims need a declaration that the tax incidence has not been passed on, and claims above Rs.2 lakh require a certificate from a chartered accountant or cost accountant in certain cases. Uploads are limited on the portal, so annexures must be prepared compactly. Call +91 - 9600 606 444 for a category-wise checklist.
How can I track my GST refund status, and is there help near me in Chennai?
Log in to the GST portal and go to Services, then Refunds, then Track Application Status, where each ARN shows its stage: filed, acknowledged, provisional refund issued, or final order passed. For IGST-paid exports, refund status is tracked on ICEGATE against the shipping bill. If an application shows no movement past sixty days, you are entitled to interest on the delayed amount and can escalate through a grievance on the portal. ChennaiGST assists businesses across Ashok Pillar (Kasi Estate) with follow-up and escalation of stuck refunds; call +91 - 9600 606 444 with your ARN for a status review.
I export goods after paying IGST. How do I get that tax back?
For export of goods with payment of IGST, no separate RFD-01 is needed. The shipping bill filed with customs is itself treated as the refund application once you file GSTR-1 with correct shipping bill details in Table 6A and pay the tax through GSTR-3B. Customs matches the data from the GST portal with ICEGATE and credits the refund directly to your bank account. Most delays happen because of invoice mismatches between GSTR-1 and the shipping bill, or bank account validation errors, so reconcile both before filing each month.
I charged CGST and SGST on an invoice that should have carried IGST. How do I fix it?
The law provides a clean remedy without interest. Under Section 77 of the CGST Act and Section 19 of the IGST Act, where a supply was wrongly treated as intra-state instead of inter-state or vice versa, you pay the tax under the correct head and claim refund of the tax paid under the wrong head; no interest is charged on the correct payment. Rule 89(1A) allows the refund application within two years from the date the correct tax is paid. Issue a credit note and corrected invoice, amend GSTR-1, and file RFD-01 under the appropriate category. Our Ashok Pillar (Kasi Estate) team handles these head-swap corrections regularly; call +91 - 9600 606 444 before the limitation runs.
What is the time limit for filing a GST refund application?
Form RFD-01 must be filed within two years from the relevant date defined in Section 54 of the CGST Act. For export of goods, the relevant date is the date the ship or aircraft leaves India; for export of services, it is the date of receipt of foreign exchange or the invoice date, whichever is later; for inverted duty structure, it is the due date of the return for the period in which the claim arises. Missing the two-year window makes the refund time-barred, so track pending claims carefully and file early.
What is the GST rate on automobile spare parts after September 2025?
Auto components now attract a uniform 18% GST. Before 22 September 2025, many parts under heading 8708 were taxed at 28%, which caused constant classification disputes between 18% and 28% entries; the 56th Council's rationalisation ended that by bringing components to a single 18% rate. For spare parts dealers in Ashok Pillar (Kasi Estate), this simplified billing considerably, though old stock purchased with 28% tax simply carries its full input credit while being sold at 18%. Update your rate master and check that no legacy 28% mappings remain in the software. Call +91 - 9600 606 444 if you want your parts catalogue reviewed HSN-wise.
Which input tax credits are blocked under Section 17(5) even if they appear in GSTR-2B?
Section 17(5) blocks credit on specified items regardless of business use: motor vehicles for passenger transport with seating up to thirteen persons, unless used for resale, passenger transport or driver training; food and beverages and outdoor catering; club and fitness memberships; life and health insurance except where statutorily obligatory; works contract and construction services for immovable property other than plant and machinery; goods lost, stolen, destroyed, written off or given as gifts and free samples; and tax paid under composition. Reversing these while filing GSTR-3B avoids painful demands later. A blocked-credit review is part of every reconciliation ChennaiGST performs.
Our Ashok Pillar (Kasi Estate) factory hires lorries through a transport agency. Who pays the GST?
Under the reverse charge entry, when a GTA that has not opted for forward charge provides service to specified recipients, the recipient pays the 5 percent tax. Specified recipients include factories, registered persons, body corporates, partnership firms including AOPs, co-operative societies and casual taxable persons. Your factory therefore pays 5 percent in cash through GSTR-3B, reports it in the reverse charge tables, and claims the same amount as input tax credit since freight is a business expense. Confirm from the transporter's invoice or declaration whether it has opted for forward charge, because paying RCM on an FCM invoice creates double taxation. Call +91 - 9600 606 444 if your freight entries need a review.
Can one document cover both taxable and exempt items sold together?
Yes, in one specific situation. Rule 46A permits a registered person supplying both taxable and exempt goods or services to an unregistered recipient to issue a single invoice-cum-bill of supply covering the entire transaction. This saves retail counters from splitting every mixed basket into two documents. The concession applies only when the buyer is unregistered; for a registered buyer, you must still issue a tax invoice for the taxable items and a separate bill of supply for the exempt items. Supermarkets and pharmacies with mixed inventories use this format daily, and billing software handles the split automatically once configured.
Which goods and services attract the new 40 percent GST rate?
The 40 percent rate is confined to luxury and demerit supplies. It covers aerated waters, caffeinated and other sugary carbonated beverages, large cars beyond the small-car specifications, motorcycles above 350cc, yachts, personal aircraft, and specified actionable claims such as betting, casinos and online money gaming. Pan masala and tobacco products continue under their earlier levy structure until the compensation cess obligations are discharged, after which they move to the 40 percent rate as notified. If your business deals in any of these lines, pricing and working capital need careful planning.
What does a GST consultant in Ashok Pillar (Kasi Estate) typically charge for refund and compliance work?
Fees vary with complexity. Simple filings such as an LUT or an excess cash ledger refund are usually fixed-fee assignments, while export and inverted duty refunds involve invoice statements, formula workings and departmental follow-up, so they may be priced as a fixed fee or a small percentage of the refund secured. Monthly reconciliation and return packages are subscription-based. ChennaiGST publishes transparent pricing starting at Rs.4,999 with no percentage cut on straightforward claims, and you pay only after the scope is agreed in writing. Call +91 - 9600 606 444 for a quote specific to your turnover and refund type.
I am a composition dealer. Which returns apply to me and when?
Composition taxpayers do not file GSTR-1 or GSTR-3B. Instead, you pay tax every quarter through statement CMP-08, due by the 18th of the month following the quarter, and file one annual return, GSTR-4, by 30 June following the financial year. The scheme is available for turnover up to Rs.1.5 crore for goods, with a separate 6 percent scheme for service providers up to Rs.50 lakh. Missing CMP-08 for consecutive quarters can block your e-way bill facility. Our composition package covers all four CMP-08 filings and the annual GSTR-4 at Rs.4,999 per year.
How is GST charged on clothes and footwear after the rate change?
The rate now turns on a per-piece price line of Rs.2,500. Apparel, made-up textile articles and footwear with a sale value up to Rs.2,500 per piece attract 5 percent GST, while pieces priced above Rs.2,500 attract 18 percent. The test applies item by item, so a single invoice from a garment shop in Ashok Pillar (Kasi Estate) can carry both rates: a Rs.1,800 shirt at 5 percent and a Rs.4,000 pair of shoes at 18 percent on the same bill. Configure the billing software to test the price of each line item automatically rather than applying one blanket rate.
Is GST payable on hostel or paying guest accommodation in Ashok Pillar (Kasi Estate)?
A specific exemption effective 15 July 2024 covers accommodation services supplied at a value up to Rs.20,000 per person per month, provided the accommodation is supplied for a minimum continuous period of ninety days. Student hostels and working men's or women's PGs in Ashok Pillar (Kasi Estate) charging within this limit for long stays are therefore exempt. Where the monthly charge exceeds Rs.20,000, or the stay is shorter than ninety days, the supply is taxable like ordinary accommodation. Operators should maintain stay records and agreements evidencing the duration, because the ninety-day condition is what officers test first during verification.
I hold stock purchased before the September 2025 rate cuts at higher tax rates. What happens when I sell it now?
You charge the rate in force on the date of supply, so goods sold on or after 22 September 2025 carry the new lower rate even if you bought them when the rate was 12% or 28%. The input tax credit you took at the old, higher rate remains fully intact in your credit ledger and is not restricted merely because output is now taxed lower; it simply sets off across your overall liability. No stock declaration was required for this transition. What traders in Ashok Pillar (Kasi Estate) must avoid is selling old-MRP stock at prices that ignore the tax cut without reviewing pricing. Call +91 - 9600 606 444 for a transition check.
Are there any hidden charges for GST refund RFD-01?
No. The fee quoted before we start is the fee you pay. Government fees, portal charges or statutory late fees, where they apply, are separate and disclosed to you in advance with the exact amount. We issue a proper GST invoice for our professional fee. If the scope of work changes — for example, an unexpected notice or additional periods — we tell you the revised fee before doing anything further.
What is the process for GST refund RFD-01?
The process runs in clear stages: Eligibility and computation; Document compilation; RFD-01 filing; Departmental follow-up. A senior consultant reviews your file at each stage rather than passing it to a data-entry desk, and you receive a confirmation with the filed documents once it is complete. You always know which stage your work is at — we update you on WhatsApp instead of leaving you to follow up.
What documents are required for GST refund RFD-01 in Ashok Pillar (Kasi Estate)?
For GST refund RFD-01 you will generally need: Export invoices and shipping bills, for export refund claims, FIRC or bank realisation certificates for export proceeds, Copy of LUT filed in RFD-11, for exports without payment of tax, GSTR-1 and GSTR-3B filed copies for the claim period, GSTR-2B and purchase invoices supporting input tax credit. The exact list depends on your constitution — proprietorship, partnership, LLP or company — and on the specifics of your case. Send what you have on WhatsApp to +91 - 9600 606 444 and we will confirm within the same working day exactly what else is needed, so nothing is rejected later for a missing paper.
Explore

Related GST Services & Nearby Areas

Ready to Sort Out Your GST?

Prefer to discuss across a table? Call +91 - 9600 606 444 and visit our Chennai office for GST Refund RFD-01 guidance.

Call +91 - 9600 606 444   WhatsApp Us
💬
Request a Call BackWe call within 30 minutes

Mon-Sat: 9.00 AM - 8.00 PM · Sunday: WhatsApp support only