044-22393938    sundararajanco@gmail.com
 
     
   
 
 
     
   
 
 
     
   
 
IMPORTANT DATES : > Optional Upload of B2B invoices, Dr/Cr notes for November under QRMP scheme. : 13/12/2025      > Monthly Return by Non-resident taxable person for November. : 13/12/2025      > Monthly Return of Input Service Distributor for November. : 13/12/2025      > Issue of TDS Certificate u/s 194-IA for TDS deducted on Purchase of Property in October. : 15/12/2025      > 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 October. : 15/12/2025      > Issue of TDS Certificate for tax deducted u/s 194M on certain payments by individual/HUF in October. : 15/12/2025      > Issue of TDS Certificate for tax deducted u/s 194S on Virtual Digital Assets in October. : 15/12/2025      > E-Payment of PF for November. : 15/12/2025      > Payment of ESI for November : 15/12/2025      > Deposit of Third Instalment of Advance Tax (75%) by all assessees (other than 44AD & 44ADA cases). : 15/12/2025      > Details of Deposit of TDS/TCS of November by book entry by an office of the Government. : 15/12/2025      > Online Application for alternative tax regime in transfer pricing cases. : 15/12/2025      > Filing of Income Tax Return where Transfer Pricing applicable. : 15/12/2025      > Monthly Return by persons outside India providing online information and data base access or retrieval services, for November. Also to be filed by every registered person providing online money gaming from a place outside India to a person in India. : 20/12/2025      > Add/amend particulars (other than GSTIN) in GSTR-1 of November. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B. : 20/12/2025      > Summary Return cum Payment of Tax for November by Monthly filers. (other than QRMP). : 20/12/2025      > Deposit of GST under QRMP scheme for November . : 25/12/2025      > Return for November by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them. : 28/12/2025      > Deposit of TDS u/s 194-IA on payment made for purchase of property in November. : 30/12/2025      > 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 24-25, where lease has terminated in November (Else TDS is to be deposited on annual basis by 30 April of next year.) : 30/12/2025      > Deposit of TDS on certain payments made by individual/HUF u/s 194M for November. : 30/12/2025      > Deposit of TDS on Virtual Digital Assets u/s 194S for November. : 30/12/2025      > GST Annual Return for 24-25. Mandatory if Turnover > 2 cr. : 31/12/2025      > GST Reconciliation statement for 24-25. Mandatory if Turnover > 5 cr. : 31/12/2025      > RBI Annual Performance Report by All entities having investment outside India. : 31/12/2025      > Furnishing of Statutory Auditor Certificate in case of NBFCs with assets of value more than Rs. 100 Crore : 31/12/2025      > Filing of Belated/ Revised Income Tax returns for AY 25-26 for all assessees if assessment not completed.  : 31/12/2025      > Quarter 3 – Board Meeting of All Companies. : 31/12/2025      > Filing a report on Corporate Social Responsibility by every company covered u/s 135 of the Companies Act, 2013. : 31/12/2025      > Complete CPE Hours for Calendar year 2025. Update Unstructured CPE hours details like reading of ICAI journal at https://cpeapp.icai.org. : 31/12/2025      > Special Registration Drive for Promotion of Registration of Employers and Employees (SPREE 2025). Employers who have not registered till now or have not enrolled all eleigible employers can register. No penalties of Demand of past. : 31/12/2025      > Annual Return by OPCs and Small Companies. : 31/12/2025      > Annual Return by companies other than OPCs and small companies. : 31/12/2025      > Filing of Cost Audit Report for 2024-25 by Company to whom cost audit is applicable. (within 30 days of submission by Cost Auditor report) : 31/12/2025      > Filing of financial statements by Cos (Other than OPCs) for FY 2024-25 with the ROC. (30 days from AGM.) : 31/12/2025     
 
     
   
 

About Us

Sundararajan & Co was established in the year 1990. It is a leading chartered accountancy firm rendering comprehensive professional
services which include audit, management consultancy, tax consultancy, accounting services, secretarial services etc.

Since inception the vision of our founder was to provide the best in class professional service with a personal touch
and that has greatly helped us in becoming one of reputed Chartered Accountancy firm.

In over 3 decades, we have grown our services from audit and taxation to assurance, indirect taxes, virtual CFO,
outsourced accounting, business process re-engineering and various verticals.



More...

 
     
   
 

What's New

up slow pause speed down
Updated Till : 13-12-2025
 
     
   
 
Event Calender
<2025 December>
MTWTFSS
24252627282930
1234567
891011
Event Date : 11/12/2025

click in particular event to add in Google Calendar

ActApplicable formObligations
Goods and Services TaxGSTR-1Monthly Return of Outward Supplies for November.
121314
15161718192021
22232425
Event Date : 25/12/2025

click in particular event to add in Google Calendar

ActApplicable formObligations
Goods and Services TaxPMT-06Deposit of GST under QRMP scheme for November .
262728
293031
Event Date : 31/12/2025

click in particular event to add in Google Calendar

ActApplicable formObligations
Goods and Services TaxGSTR-9GST Annual Return for 24-25. Mandatory if Turnover > 2 cr.
Goods and Services TaxGSTR-9 CGST Reconciliation statement for 24-25. Mandatory if Turnover > 5 cr.
FEMAODI Part IIRBI Annual Performance Report by All entities having investment outside India.
Companies ActXBRL DNBS-10Furnishing of Statutory Auditor Certificate in case of NBFCs with assets of value more than Rs. 100 Crore
Income TaxITR 1 to 7Filing of Belated/ Revised Income Tax returns for AY 25-26 for all assessees if assessment not completed. 
Companies ActQ3 Board MeetingQuarter 3 – Board Meeting of All Companies.
Companies ActCSR – 2Filing a report on Corporate Social Responsibility by every company covered u/s 135 of the Companies Act, 2013.
ICAI ActCPE HoursComplete CPE Hours for Calendar year 2025. Update Unstructured CPE hours details like reading of ICAI journal at https://cpeapp.icai.org.
ESI-Special Registration Drive for Promotion of Registration of Employers and Employees (SPREE 2025). Employers who have not registered till now or have not enrolled all eleigible employers can register. No penalties of Demand of past.
Companies ActForm MGT 7AAnnual Return by OPCs and Small Companies.
Companies ActForm MGT 7 along with MGT- 8 (if applicable)Annual Return by companies other than OPCs and small companies.
Companies ActForm CRA-4Filing of Cost Audit Report for 2024-25 by Company to whom cost audit is applicable. (within 30 days of submission by Cost Auditor report)
Companies ActForm AOC-4/AOC-4 XBRLFiling of financial statements by Cos (Other than OPCs) for FY 2024-25 with the ROC. (30 days from AGM.)
1234