​​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 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