| Event Date | Act | Applicable Form | Obligation |
| 02/03/2019 | Income Tax | Form 26QC | Challan-cum-statement in respect of tax deducted under Sec.194IB for the month of Jan |
| 02/03/2019 | Income Tax | Form 26QB | Challan-cum-statement in respect of tax deducted under Sec.194IA for the month of Jan |
| 07/03/2019 | Income Tax | Challan No.ITNS-281 | Payment of TDS/TCS deducted/collected in Feb |
| 07/03/2019 | Income Tax | Form No.27C (TCS) | Submission of Forms received in Feb to IT Commissioner |
| 11/03/2019 | Goods and Services Tax | GSTR -1 | Return of Outward Supplies for Feb by Regular & Casual Suppliers. (Turnover exceed 1.50cr.) |
| 15/03/2019 | Income Tax | challan No.280 | Payment of Advance Income Tax by ALL Assessess (100%) (including 44AD cases) |
| 17/03/2019 | Income Tax | Form 16B | Issue of TDS certificate in case of payment /credit made in Jan for purchase of property u/s 194-IA. |
| 17/03/2019 | Income Tax | Form 16C | Issue of TDS certificate in case of payment /credit made in Jan for purchase of property u/s 194-IB. |
| 20/03/2019 | Goods and Services Tax | GSTR -3B | GSTR Return Summary for Feb |
| 30/03/2019 | Income Tax | Form 26QB | Challan-cum-statement in respect of tax deducted under Sec.194-IA for the month of Feb |
| 30/03/2019 | Income Tax | Form 26QC | Challan-cum-statement in respect of tax deducted under Sec.194-IB for the month of Feb |
| 31/03/2019 | Goods and Service Tax | Form GSTR-1 (July, 2017- Sep, 2018) | Return of Outward Supplies by Regular & Casual Suppliers- No late fees if filed between 22 Dec, 2018- 31, Mar, 2019. |
| 31/03/2019 | Goods and Service Tax | Form GSTR-1 (July, 2017- Feb, 2019 for newly migrated taxpayers) | Return of Outward Supplies by Regular & Casual Suppliers |
| 31/03/2019 | Goods and Service Tax | GSTR-4(July, 2017-Sep,2018) | Compostion Dealer-No late fees if filed between 22 Dec, 2018- 31, Mar, 2019. |
| 31/03/2019 | Goods and Service Tax | GSTR - 3 B (July, 2017-Sep,2018) | GSTR Return Summary-No late fees if filed between 22 Dec, 2018- 31, Mar, 2019. |
| 31/03/2019 | Goods and Service Tax | GST ITC-04 (July, 2017-Dec,2018) | Details of goods dispatched to a job worker or received from a job worker-No late fees if filed between 22 Dec, 2018- 31, Mar, 2019. |
| 31/03/2019 | Income Tax | Challan No.280 | Payment of balance Advance Income Tax by ALL. (for Sec 234B & 234C) |