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Compliance Calendar. Never miss a due date.

Search statutory due dates by law. Applicability, penalties and downloadable checklists for GST, TDS, income tax, ROC, PF, ESIC, professional tax and labour compliance.

This Month — September 2026

11th

GSTR-1

GST

20th

GSTR-3B

GST

7th

TDS Payment

TDS

15th

ECR Filing

PF

15th

ESIC Contribution

ESIC

As per state rules

PT Return

Professional Tax

Search by law

GST

GSTR-1

Statement of outward supplies for the previous month.

Applicability

All regular registered taxpayers filing monthly.

Penalty

₹50 per day (₹20 for nil returns), subject to cap.

Monthly

11th

GST

GSTR-3B

Summary return and payment of tax for the previous month.

Applicability

All regular registered taxpayers.

Penalty

Late fee plus 18% p.a. interest on tax payable.

Monthly

20th

GST

GSTR-9 / 9C

Annual return and reconciliation statement.

Applicability

Turnover above the prescribed thresholds.

Penalty

Late fee per day of delay, subject to cap.

Annual

31 December

TDS

TDS Payment

Deposit of tax deducted at source for the previous month.

Applicability

All deductors.

Penalty

1.5% per month interest on late deposit.

Monthly

7th

TDS

Form 24Q / 26Q

Quarterly statement of tax deducted at source.

Applicability

All deductors.

Penalty

₹200 per day until the statement is filed.

Quarterly

31st of following month

Income Tax

Advance Tax

Instalment of advance tax for the quarter.

Applicability

Liability above ₹10,000 in a financial year.

Penalty

Interest under sections 234B and 234C.

Quarterly

15 Jun / Sep / Dec / Mar

Income Tax

ITR Filing

Annual income tax return for the assessment year.

Applicability

Companies, LLPs and audited entities.

Penalty

Fee up to ₹5,000, interest and loss of carry-forward.

Annual

31 Oct (audit cases)

ROC / MCA

AOC-4

Filing of audited financial statements.

Applicability

All companies.

Penalty

₹100 per day, without cap.

Annual

Within 30 days of AGM

ROC / MCA

MGT-7 / 7A

Annual return of the company.

Applicability

All companies.

Penalty

₹100 per day, without cap.

Annual

Within 60 days of AGM

ROC / MCA

DIR-3 KYC / DPT-3

Director KYC and return of deposits.

Applicability

All DIN holders and companies accepting deposits.

Penalty

₹5,000 per DIN for KYC default.

Annual

30 Sep / 30 Jun

PF

ECR Filing

Provident fund contribution and monthly return.

Applicability

Establishments with 20 or more employees.

Penalty

Damages up to 25% p.a. plus interest.

Monthly

15th

ESIC

ESIC Contribution

Employee state insurance contribution.

Applicability

Establishments with 10 or more employees.

Penalty

12% p.a. interest plus damages.

Monthly

15th

Professional Tax

PT Return

Deduction and remittance of professional tax.

Applicability

Employers in states levying professional tax.

Penalty

State-specific interest and penalty.

Monthly

As per state rules

Labour

Annual Returns

Returns under Shops Act, Factories Act and allied laws.

Applicability

Registered establishments and factories.

Penalty

Prosecution and monetary penalty per default.

Annual

As per state rules

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