​​Due date for deposit of Tax deducted/collected for the month of October, 2025. However, all sum deducted/collected by an office of the government shall be paid to the credit of the Central Government on the same day where tax is paid without production of challan

​Uploading of declarations received in Form 27C from the buyer in the month of October, 2025

Due date for filing of audit report under section 44AB for the assessment year 2025-26 in the case of a corporate-assessee or non-corporate assessee [who is required to submit his/its return of income on December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing of Audit report in Form no. 10B/10BB by a fund or trust or institution or any university or other educational institution or any hospital or other medical institution

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing audit report in Form 3AC by assessee claiming deduction under section 33AB for the previous year 2024-25 [if the assessee is required to submit return of income on December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing audit report in Form 3AD by assessee claiming deduction under section 33ABA for the previous year 2024-25 [if the assessee is required to submit return of income on December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing of report of audit of the accounts of an assessee, other than a company or a co-operative society, in Form No. 3AE under section 35D(4) for the previous year 2024-25 [if the assessee is required to submit return of income by December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing of report of audit of the accounts of an assessee, other than a company or a co-operative society, in Form No. 3AE under section 35E(6) for the previous year 2024-25 [if the assessee is required to submit return of income by December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing of statement containing the particulars of expenditures specified under section 35D(2)(a) ([f the assessee is required to submit return of income by December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing of audit report in Form 3CE under section 44DA by non-resident and foreign company for the previous year 2024-25 [if the assessee is required to submit return of income on December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing of audit report relating to computation of capital gains in case of slump sale [if the assessee is required to submit return of income on December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing report certifying the claim for additional employee cost under section 80JJAA during the previous year 2024-25 [if the assessee is required to submit return of income on December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing report under section 115JB for computing the book profits of the company during the previous year 2024-25 [if the assessee is required to submit return of income on December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing report under section 115JC for computing Adjusted Total Income and Alternate Minimum Tax of the person other than company during the previous year 2024-25 [if the assessee is required to submit return of income on December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing of Audit Report under clause (ii) of section 115VW for the previous year 2024-25

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

Furnishing of audit report by the specified fund, being the investment division of an offshore banking unit, for the purpose of exemption under section 10(4D) [if assessee is required to submit return of income by December 10, 2025 (extended date)]

Note: The due date for furnishing the report has been extended from 30-09-2025 to 10-11-2025 vide Circular No. 14/2025, dated 25-09-2025 and Circular no. 15/2025, dated 29-10-2025.

​Due date for issue of TDS Certificate for tax deducted under section 194-IA in the month of September, 2025

​Due date for issue of TDS Certificate for tax deducted under section 194-IB in the month of September, 2025

​Due date for issue of TDS Certificate for tax deducted under section 194M in the month of September, 2025

​Due date for issue of TDS Certificate for tax deducted under section 194S (by specified person) in the month of September, 2025

​Quarterly TDS certificate (in respect of tax deducted for payments other than salary) for the quarter ending September 30, 2025

​Due date for furnishing of Form 24G by an office of the Government where TDS/TCS for the month of October, 2025 has been paid without the production of a challan

​Due date for furnishing statement in Form no. 3BB by a stock exchange in respect of transactions in which client codes been modified after registering in the system for the month of October, 2025

​Due date for furnishing statement by a recognised association in respect of transactions in which client codes been modified after registering in the system for the month of October, 2025

​Due date for furnishing of challan-cum-statement in respect of tax deducted under section 194-IA in the month of October, 2025

​Due date for furnishing of challan-cum-statement in respect of tax deducted under section 194-IB in the month of October, 2025

​Due date for furnishing of challan-cum-statement in respect of tax deducted under section 194M in the month of October, 2025

​Due date for furnishing of challan-cum-statement in respect of tax deducted under section 194S (by specified person) in the month of October, 2025

​Return of income for the assessment year 2025-26 in the case of an assessee if he/it is required to submit a report under section 92E pertaining to international or specified domestic transaction(s)

​Report in Form No. 3CEAA by a constituent entity of an international group for the accounting year 2024-25