18 Jul 25 Payment of tax under Composition Scheme for June quarter.

20 Jul 25 Monthly Return by persons outside India providing online information and data base access or retrieval services, for June.

20 Jul 25 Add/amend particulars (other than GSTIN) in GSTR-1 of Jun. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B.

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

22 Jul 25 Summary Return of April-June 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, A

22 Jul 25 Add/amend particulars (other than GSTIN) in GSTR-1 of June 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 a

24 Jul 25 Add/amend particulars (other than GSTIN) in GSTR-1 of June quarter by Quarterly filers in Himachal Pradesh, Punjab, Uttarakhand, Haryana, Rajasthan, Uttar Pradesh, Bihar, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam, We

24 Jul 25 Summary Return of April-June 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, Odisha,

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

30 Jul 25 Issue of TCS certificate for April-June by All Collectors.

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

30 Jul 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 25-26, where lease has terminated in June. (Else TDS is to be deposited on annual basis by 30 April of next year.)

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

30 Jul 25 Deposit of TDS on Virtual Digital Assets u/s 194S for June.

31 Jul 25 Statement of tax deposited to be furnished by an exchange in relation to transfer of virtual digital asset u/s 194S for April-June.

31 Jul 25 Quarterly TDS Statements for April-June.

31 Jul 25 Return of non-deduction at source by banks from interest on time deposit for April-June.

31 Jul 25 Taxpayers with Turnover below Rs 5 Crores can opt in or opt out of QRMP Scheme for Jul-Sep quarter.