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Event DateActApplicable FormObligation
01/10/2021 Goods and Service Tax - Dynamic QR Code must on B2C Invoices for turnover above 500 cr. Penalty to be levied from 1.12.20 if not ready by 1.10.21.
07/10/2021 Income Tax Challan No. ITNS-281 Payment of TDS/TCS deducted /collected in September. Higher TDS/TCS on Non-Filers of ITR u/s 206AB /206CCA w.e.f 1.07.2021.
10/10/2021 Goods and Services Tax GSTR-7 Monthly Return by Tax Deductors for September.
10/10/2021 Goods and Services Tax GSTR-8 Monthly Return by e-commerce operators for September.
11/10/2021 Goods and Services Tax GSTR-1 Monthly return of Outward Supplies for September. (other than QRMP)
13/10/2021 Goods and Services Tax GSTR-1 Quarterly return of Outward Supplies for Jul-Sep (QRMP)
13/10/2021 Goods and Services Tax GSTR-6 Monthly Return of Input Service Distributor for September.
15/10/2021 ESI ESI Challan ESI payment for September. (pay by due date else no deduction of employee contribution)
15/10/2021 Providend Fund Electronic Challan cum Return (ECR) E-Payment of PF for September (pay by due date else no deduction of employee contribution.)
15/10/2021 Income Tax Form 16B Due date for issue of TDS Certificate for tax deducted under Section 194-IA, 194M in September.
15/10/2021 Income Tax Form 27EQ TCS Statements for Q2 of 21-22.
18/10/2021 Goods and Services Tax CMP-08 Payment of tax of Jul-Sep quarter for taxpayers under Composition Scheme.
20/10/2021 Goods and Services Tax GSTR-3B Summary Return cum Payment of Tax for September by Monthly filers. (other than QRMP).
20/10/2021 Goods and Services Tax GSTR-5 & 5A Monthly Return by Non-resident taxable person for September.
22/10/2021 Goods and Services Tax GSTR-3B Summary Return of Jul-Sep 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, Andaman and Nicobar Islands or Lakshadweep.
24/10/2021 Goods and Services Tax GSTR-3B Summary Return of Jul-Sep 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, the Union territories of Jammu and Kashmir, Ladakh,Chandigarh or Delhi.
25/10/2021 Goods and Service Tax ITC-04 File Details of goods/capital goods sent to & from job worker for July-Sep 2021. Wef Oct, to be filed annually for turnover upto Rs 5 cr & half yearly for others.
30/10/2021 Income Tax Form 26QB Deposit of TDS u/s 194-IA on payment made for purchase of property in September.
30/10/2021 Income Tax Form 26QD Deposit of TDS u/s 194M for September on payments made to resident contractors or professionals greater than 50 lacs pa by individuals/HUF not subject to tax audit.
30/10/2021 Income Tax Form 27D Issue of TCS certificate for Sep Qtr. By All Collectors
30/10/2021 LLP Act Form 8 Annual filing for LLP for 2020-21.
31/10/2021 Income Tax Form 24Q, 26Q, 27Q TDS Statements for Q2 of 21-22.
31/10/2021 Income Tax 26QAA Quarterly return of non-deduction at source by banks from interest on time deposit for Sep quarter.
31/10/2021 Income Tax Form 61 Upload of particulars of declarations received in Form 60 from Apr-Sep.
31/10/2021 Companies (Cost Records and Audit) Rules - Submission of Cost Audit Report for 2020-21 by Cost Auditor to Board of Directors.
31/10/2021 MSMED, 2006 MSME Form I Specified Companies(receiving supplies from Micro & Small whose outstanding dues exceed 45 days) to file details of all outstanding dues to Micro or Small enterprises suppliers from Apr to Sep.
31/10/2021 Income Tax - Payment of disputed amount of tax with additional payment under Vivad se Vishwas Scheme .
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Note: Please note that this is not an exhaustive list of obligations under various laws and rules. Important ones have been compiled to serve as a Ready Reckoner.
Please reconfirm in case of doubt or in case of extension/change & bring the same to our notice. We are not responsible for inadvertant errors, if any.