office@gsmco.net.in
 
     
   
 

Our Vision

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Our Motto

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Our Strength

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IMPORTANT DATES : > e-Filing of Declaration received by seller in February from buyer for obtaining goods without collection of tax (TCS). : 07/03/2026      > Payment of TDS/TCS deducted/collected in February. : 07/03/2026      > Return of External Commercial Borrowings for February. : 07/03/2026      > Monthly Return by Tax Deductors for February. : 10/03/2026      > Monthly Return by e-commerce operators for February. : 10/03/2026      > "Monthly Return of Outward Supplies for February. " : 11/03/2026      > Optional Upload of B2B invoices, Dr/Cr notes for February under QRMP scheme. : 13/03/2026      > Monthly Return by Non-resident taxable person for February. : 13/03/2026      > Monthly Return of Input Service Distributor for February. : 13/03/2026      > ESI payment for February. : 15/03/2026      > E-Payment of PF for February. : 15/03/2026      > Payment of balance Advance Income Tax by ALL including assessees covered under presumptive scheme of section 44AD / section 44ADA. Resident senior citizens not having business/profession income are exempt from paying advance tax. : 15/03/2026      > Details of Deposit of TDS/TCS of February by book entry by an office of the Government. : 15/03/2026      > Issue of TDS Certificate u/s 194-IA for TDS deducted on Purchase of Property in January. : 17/03/2026      > 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 January. : 17/03/2026      > Issue of TDS Certificate for tax deducted u/s 194M on certain payments by individual/HUF in January. : 17/03/2026      > Issue of TDS Certificate for tax deducted u/s 194S on Virtual Digital Assets in January. : 17/03/2026      > Monthly Return by persons outside India providing online information and data base access or retrieval services, for February. : 20/03/2026      > Add/amend particulars (other than GSTIN) in GSTR-1 of February. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B. : 20/03/2026      > Summary Return cum Payment of Tax for February by Monthly filers. (other than QRMP). : 20/03/2026      > Deposit of GST of February under QRMP scheme. : 25/03/2026      > Return by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them, for February . : 28/03/2026      > Deposit of TDS on payment made for purchase of property in February. : 30/03/2026      > 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 February (Else TDS is to be deposited on annual basis by 30 April of next year.) : 30/03/2026      > Deposit of TDS u/s 194M for February. : 30/03/2026      > Deposit of TDS on Virtual Digital Assets u/s 194S for February. : 30/03/2026      > Complete CPE Hours for Calendar year 2025. Update Unstructured CPE hours details like reading of ICAI journal at https://cpeapp.icai.org. : 31/03/2026      > Opt for Composition scheme for FY 2026-27. Existing ones are not required to apply again. : 31/03/2026      > Online Application for Letter of Undertaking (LUT) for Exports & Supplies to SEZ without payment of tax in FY 2026-27. : 31/03/2026      > For FY 26-27, GTA can change from Forward Charge mechanism to RCM or vice-versa by e-filing necessary declaration. : 31/03/2026      > Calculation of Aggregate Turnover of F.Y. 25-26 for various compliances related to F.Y. 26-27 like for QRMP scheme, Composition scheme, E-invoice applicability etc. : 31/03/2026      > Payment of balance Advance Income Tax by ALL to save interest u/s 234B. : 31/03/2026      > Payment of life insurance premium, deposit of PPF etc. for saving tax of FY 25-26 under old regime. : 31/03/2026      > Uploading of Statement of foreign income offered to tax and tax deducted or paid on such income in previous year 2024-25, to claim foreign tax credit if ITR furnished within the time specified under section 139(1) or section 139(4). : 31/03/2026      > Pay Outstanding dues of Micro & Small Enterprises of FY 25-26 to avoid disallowance u/s 43B. No Relief of payment till due date of ITR. : 31/03/2026      > Updated ITR for AY 2023-24 with 50% of aggregate tax and interest payable. : 31/03/2026      > Updated ITR for AY 2024-25 with 25% of aggregate tax and interest payable. : 31/03/2026      > "File Correction statements of FY 2018-19: Quarter 4 only, FY 2019-20 to FY 2022-23: All quarters and FY 2023-24: Quarters 1 to 3." : 31/03/2026      > Complete CPE Hours for Calendar year 2025. Update Unstructured CPE hours details like reading of ICAI journal at https://cpeapp.icai.org. : 31/03/2026      > Quarter 4 – Board Meeting of All Companies : 31/03/2026     
 
     
   
 

Background

Over 68 Years of excellence in professional services

G.S. Mathur & Co. is a professional firm established in the year 1950 providing a bouquet of services including Audit & Assurance, Tax & Regulatory, Advisory & Consultancy Services, Accounting & Business Support and Financial Services. It has consistently ranked amongst the top professional advisory firms in India and has a well established reputation for delivering quality and excellence in all its services. It strives to attain this by blending domain expertise with analytical rigor, while maintaining an uncompromising focus on quality, and by hiring and nurturing high quality professionals with a passion for excellence. It has enhanced value for the clients by providing practical and innovative solution tailored to client’s specific need.

The firm has developed expertise in Management Solutions, the managing partner Mr. Ajay Mathur having been nominated by the Government of India as Director under the Chartered Accountant category on the boards of leading Public Sector Banks in India, firstly Canara Bank and thereafter Bank of Baroda, for periods of three years each.

 
 
Business Advisory including Corporate level solution to complex Management and Legal issues Development of system, study of system and design.
Audit and Assurance is a large part of the firm's practice and is the core service offering. The firm provides these services to companies across almost all sectors ranging
G.S. Mathur & Co. is well positioned to offer individuals and companies comprehensive tax services. Our tax professionals are selected for their commitment
 
 
     
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