Monthly Return
2026-03-24
A regular taxpayer having an aggregate turnover of upto Rs. crore in the previous financial year, whose principal place of business is in category B States, is required to make payment tax and furnish monthly return for the month of February, 2026

Furnishing of challan cum-statement in respect of TDS under section 194-IA/194-IB/ 194M/194S
2026-03-30
Challan-cum-statement in respect of tax deducted under in section 194-IA/194-IB/194M/194S during the month of under February 2026 to be furnished to Principal DGIT systems or DGIT systems or person authorised by him

Letter of undertaking (LUT)
2026-03-31
The GST Registered company dealing with Exports or is situated in SEZ are required to File LUT in order to carry on the trade without paying IGST. Filing of LUT for the year 2026-2027

Furnishing of Modified Return in ITR-A
2026-03-31
Furnishing of modified return by a successor entity to a business reorganisation where the order of business reorganisation of the competent authority was issued between the period 1st April, 2025 and 30th September, 2025

Furnishing of Updated Return
2026-03-31
Updated return for the assessment year 2021-22

Application under section 155(18)
2026-03-31
An application requesting for recomputation of total income of the previous year without allowing the claim for deduction of surcharge or cess, which has been claimed and allowed as deduction under section 40 in the said previous year
