office@gsmco.net.in
 
     
   
 

Our Vision

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Our Motto

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Our Strength

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IMPORTANT DATES : > Mandatory capture of the "Ship To GSTIN" in Bill-to/Ship-to transactions and the Voluntary Closure of E-Way Bill functionality. : 01/08/2026      > "Payment of TDS/TCS of July. 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. " : 07/08/2026      > "E-filing details of declarations received in July, from buyers for non-deduction of TCS at income tax efiling portal with TAN login. " : 07/08/2026      > Return of External Commercial Borrowings for July. : 07/08/2026      > Monthly Return by Tax Deductors for July. : 10/08/2026      > Monthly Return by e-commerce operators for July. : 10/08/2026      > Monthly Return of Outward Supplies for July. : 11/08/2026      > Monthly Return of Input Service Distributor for July. : 13/08/2026      > Optional Upload of B2B invoices, Dr/Cr notes under QRMP scheme for July. : 13/08/2026      > Monthly Return by Non-resident taxable person for July. : 13/08/2026      > Issue of TDS Certificate for TDS deducted on Purchase of Property in June. : 14/08/2026      > 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 June. : 14/08/2026      > Issue of TDS Certificate for tax deducted on certain payments by individual/HUF in June. : 14/08/2026      > Issue of TDS Certificate for tax deducted on Virtual Digital Assets in June. : 14/08/2026      > Issue of TDS certificates for Q1 of TY 2026-27. : 15/08/2026      > Issue of TCS certificates for Q1 of TY 2026-27. : 15/08/2026      > Details of Deposit of TDS/TCS of July by book entry by an office of the Government. : 15/08/2026      > E-Payment of PF for July. : 15/08/2026      > Payment of ESI for July : 15/08/2026      > To add/amend particulars (other than GSTIN) in GSTR-1 of July. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B. If incorrect values are auto-populated in Table 3.2 of GSTR-3B, correct the values by making amendments through Form GSTR-1A . : 20/08/2026      > Summary Return cum Payment of Tax for July by Monthly filers. (other than QRMP). Auto-populated values in Table 3.2 of GSTR-3B for inter-state supplies made to unregistered persons, composition taxpayers, and UIN holders are now non-editable. : 20/08/2026      > Monthly Return by persons outside India providing online information and data base access or retrieval services, for July. : 20/08/2026      > Deposit of GST under QRMP scheme for July . : 25/08/2026      > Return for July by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them. : 28/08/2026      > Deposit of TDS on payment made for purchase of property in July. : 30/08/2026      > Deposit of TDS @ 5% on total payment of Rent more than 50,000 pm by individual or HUF (not liable to tax audit) during FY 24-25, where lease has terminated in July. (Else TDS is to be deposited on annual basis by 30 April of next year.) : 30/08/2026      > Deposit of TDS on certain payments made by individual/HUF for July. : 30/08/2026      > Deposit of TDS on Virtual Digital Assets for July. : 30/08/2026      > Application for exercising option under Explanation to section 11(1) to apply income of previous year in the next year or in future, if ITR due date is October 31. : 31/08/2026      > Statement in to be furnished to accumulate income for future application u/s 10(21) or 11(1), if ITR due date is October 31. : 31/08/2026      > Regularise pending MCA annual filings under CCFS 2026 Scheme without penalty but at concessional fees. Parallel route for inactive or defunct companies to opt for dormancy or strike-off. : 31/08/2026      > Exercise option to opt for old regime for AY 26-27 if due date is 31 Aug. : 31/08/2026      > Filing ITR by business assessees without audit for AY 26-27. : 31/08/2026     
 
     
   
 

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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