India

S. No	Due Date	Related to	Compliance to be made
1	11.09.2025	GST	Filing of GSTR-1 for August 2025.
2	13.09.2025	ISD	Filing for the month of Aug 2025
3	20.09.2025	GST	- Payment & filing of GST return for the Month of August 2025 - Form GSTR 3B
4	07.09.2025	TDS/TCS (Income Tax)	· Deposit TDS for payments of Salary, Interest, Commission or Brokerage, Rent, Professional fee, payment to Contractors, etc. during the month of August 2025. · Deposit TDS from Salaries deducted during the month of August 2025 • Deposit TCS for collections made under section 206C including sale of scrap during the month of August 2025, if any • Deliver a copy of Form 15G/15H, if any to CCIT or CIT for declarations received in the month of August 2025, if any
5	30.09.2025	Income tax	Filing of Income tax return for the Corporate assesses (or) Non-Corporate assesses (Whose books of accounts are required to be audited U/s 44AB of IT act 1964 (or) working partner (of a firm whose books of accounts required to be audit (in case of Assesses not having international or specified domestic transaction). (All Sasken Trust Returns must be filed) Due date of Filing Form 10B for exempted Institution
6	15.09.2025	Income Tax	Payment of Advance tax for the Corporate and Non Corporate assesses –Amount not less than 45% of tax payable respectively.

 

7.         30.09.2025       Income tax        Form 10BB of Charitable Trust         

8.         15.09.2025       Income Tax       ITR filing for  Trust with no audit.