18 Jan 25 Payment of tax by Composition taxpayers for December quarter.

20 Jan 25 Monthly Return by persons outside India providing online information and data base access or retrieval services, for December. Also to be filed by every registered person providing online money gaming from a place outside India to a person in India.

20 Jan 25 Summary Return cum Payment of Tax for December by Monthly filers. (other than QRMP).

22 Jan 25 Summary Return of December quarter by Quarterly filers in Chhattisgarh, Madhya Pradesh, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana, Andhra Pradesh, the Union territories of Daman and Diu and Dadra and Nagar Haveli, Puducherry, And

24 Jan 25 Summary Return of December quarter by Quarterly filers in Himachal Pradesh, Punjab, Uttarakhand, Haryana, Rajasthan, Uttar Pradesh, Bihar, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam, West Bengal, Jharkhand or Odisha,

28 Jan 25 Return by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them, for December .

30 Jan 25 Issue of TCS certificate for December quarter by All Collectors

30 Jan 25 Deposit of TDS u/s 194-IA on payment made for purchase of property in December.

30 Jan 25 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 December (Else TDS is to be deposited on annual basis by 30 April of next year.)

30 Jan 25 Deposit of TDS on certain payments made by individual/HUF u/s 194M for December.

30 Jan 25 Deposit of TDS on transfer of virtual digital asset u/s 194S, by an exchange, for December.

31 Jan 25 TDS Statements for December quarter.