40 Years of Trusted GST, Tax & Advisory Excellence

Helping businesses navigate GST, Indirect Taxes, Direct Taxes and Litigation with clarity and confidence.

Specialists in GST Advisory, Compliance & Litigation

Sector-agnostic expertise backed by decades of practical experience and representational work.

Your Partner in Tax, Compliance & Strategic Decisions

From daily compliance to high-stakes litigation, we deliver reliable, implementable solutions.

Welcome to Deepak H Thakkar & Associates

Deepak Thakkar & Associates is a boutique Chartered Accountant firm based in Mumbai, rooted in more than 40 years of practice in Indirect Taxes, GST, Direct Taxes, Transfer Pricing and Litigation Support. Our approach is grounded in clarity, integrity, and practical implementation, serving clients across India and overseas.

We also work seamlessly through our network firm Ronak D Thakkar & Associates, enabling cohesive delivery across advisory, compliance and representation.

Services

At Deepak H Thakkar & Associates, we offer a broad spectrum of services designed to address the dynamic needs of businesses, professionals. With a focus on quality, compliance, and strategic insight, our offerings are tailored to help clients navigate complexity and achieve sustainable growth.

GST

Strategy · Compliance · Disputes

Comprehensive support across classification, valuation, place of supply, ITC optimisation, GST health checks, compliances, refunds, audits, notices, investigations and representation before authorities.

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Tax

Direct Taxes · TDS · Transactions

End-to-end direct tax services including advisory, individual & business filings, assessments, TDS reviews, withholding optimisation and regulatory compliance.

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Assurance

Audit · Controls · Reporting

Statutory audits, internal audits, GST audits, reconciliations, certification services and structured reporting with a strong focus on controls and transparency.

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Global

Cross-Border Advisory · Transfer Pricing

Transfer Pricing planning, benchmarking, documentation, 3CEB certification and cross-border tax advisory for global business structures.

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Our Team

A leadership-driven practice supported by a capable team and a trusted professional network — ensuring depth, reliability, and practical solutions for every engagement.

Careers

Looking to work in a knowledge-driven and growth-oriented environment? Join our team of professionals and interns dedicated to continuous learning, responsibility, and professional growth.

Blog Updates

Stay informed with curated updates, circulars, case laws, regulatory changes, and expert opinions. We bring you timely and relevant insights to help you make informed business and financial decisions.

Contact Us

Have a question or need assistance? Get in touch with us via phone, email, or through our secure contact form. We look forward to understanding your requirements and offering effective solutions.

News & Due Date Reminder and Blog

News

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Due Date Reminder

Jan Feb Mar Apr May June
July Aug Sep Oct Nov Dec
All
07 Jun 26 "Payment of TDS/TCS of May. In case of government offices where TDS/TCS is paid by book entry, same shall be paid on the same day on which tax is deducted or collected."
07 Jun 26 "Seller to upload declarations received in May, from buyers for non-deduction of TCS. "
07 Jun 26 Return of External Commercial Borrowings for May.
10 Jun 26 Monthly Return by Tax Deductors for May.
10 Jun 26 Monthly Return by e-commerce operators for May.
11 Jun 26 Monthly Return of Outward Supplies for May.
13 Jun 26 Monthly Return by Non-resident taxable person for May.
13 Jun 26 Monthly Return of Input Service Distributor for May.
13 Jun 26 Optional Upload of B2B invoices, Dr/Cr notes for May under QRMP scheme.
14 Jun 26 Free update of Aadhar. Update and upload your Proof of Identity & Proof of Address documents.
14 Jun 26 Issue of TDS Certificate for tax deducted u/s 194-IA on payment made for purchase of property in April.
14 Jun 26 Issue of TDS Certificate for tax deducted on rent above 50,000 pm by certain individuals/HUF under Section 194-IB where lease has terminated in April.
14 Jun 26 Issue of TDS Certificate for tax deducted u/s 194M on certain payments by individual/HUF in April.
14 Jun 26 Issue of TDS Certificate for tax deducted u/s 194S on Virtual Digital Assets in April.
15 Jun 26 E-Payment of PF for May.
15 Jun 26 Payment of ESI for May
15 Jun 26 Deposit of First Instalment of Advance Tax (15%) by all assessees (other than 44AD & 44ADAD cases).
15 Jun 26 Issue of Salary TDS Certificates for FY 25-26.
15 Jun 26 Issue of other TDS Certificates for Q4 of FY 25-26.
15 Jun 26 Details of Deposit of TDS/TCS of May by book entry by an office of the Government.
20 Jun 26 Monthly Return by persons outside India providing online information and data base access or retrieval services, for May.
20 Jun 26 Add/amend particulars (other than GSTIN) in GSTR-1 of May. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B.
20 Jun 26 Summary Return cum Payment of Tax for May by Monthly filers. (other than QRMP).
25 Jun 26 Deposit of GST of May under QRMP scheme.
28 Jun 26 Return for May by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them.
29 Jun 26 Return of Statutory Compliances within 90 days from the close of the first financial year after its incorporation and where applicable,the second financial year.
30 Jun 26 Annual Return of Deposits by Companies other than NBFCs for FY 25-26.
30 Jun 26 "Director’s Disclosure of Interest and Non-disqualification by Companies. Discloses Director’s interest in the Companies, Firms, Body Corporates and Association of Individuals. "
30 Jun 26 "Yearly Disclosure of Non- Disqualification by Directors of all companies. Discloses Director’s interest only in Companies. "
30 Jun 26 Holding of Board Meeting by Companies for Q1 .
30 Jun 26 Online annual updation of IEC details . If no changes, confirm same online. Else IEC will be deactivated.
30 Jun 26 Summary of Outward & Inward supplies for FY 25-26 by Composition taxpayer.
30 Jun 26 Quarterly return of non-deduction at source by banks from interest on time deposit for January-March quarter.
30 Jun 26 Deposit of TDS u/s 194-IA on payment made for purchase of property in May.
30 Jun 26 Deposit of TDS u/s 194-IB @ 5% on total payment of Rent more than 50,000 pm by individual or HUF (not liable to tax audit) during FY 25-26, where lease has terminated in May. (Else TDS is to be deposited on annual basis by 30 April of next year.)
30 Jun 26 Deposit of TDS on certain payments made by individual/HUF u/s 194M for May.
30 Jun 26 Deposit of TDS on Virtual Digital Assets u/s 194S for May.
30 Jun 26 Deposit of TDS on Virtual Digital Assets u/s 194S for May.
30 Jun 26 Annual Return of Securities Transaction Tax by Listed Cos/Mutual Funds for FY 2025-26 .
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