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Launch your business with expert support and smooth registration.

Partnership Firm Registration
Set up your business partnership quickly with end-to-end assistance.

Limited Liability Partnership (LLP) Registration
Enjoy flexible business setup with limited liability and professional help.

One Person Company Registration
Start your solo venture with ease and full legal compliance.

Foreign Subsidiary Registration
Expand into India seamlessly with dedicated setup and compliance support.

Public Limited Company Registration
Establish a scalable enterprise with expert-backed registration services.

Sole Proprietorship Registration
Begin your small business journey with a simple and quick setup.

What does FinGuru India do?
Simplifies business setup, tax, compliance, and financial advisory services.

Talk To us
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Professional accounting and compliance support for your business.

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September 2026 Compliance Calendar: Key Filing Deadlines You Can’t Miss

September is a critical compliance month for businesses. From GST and TDS filings to advance tax and tax audit requirements, finance and compliance teams have several important deadlines to track.

What You’ll Find Inside

September 2026 GST & tax filing deadlines
TDS/TCS deposit deadline – 7 September
GSTR-1, GSTR-3B & other GST return dates
2nd Advance Tax instalment – 15 September
Tax Audit Report deadline – 30 September
AOC-4, MGT-7/MGT-7A annual filing reminders
Key penalties and risks of late compliance
Practical tips to stay compliance-ready

September 2026 Compliance Calendar: Key Filing Deadlines You Can’t Miss

September is a critical compliance month for businesses. From GST and TDS filings to advance tax and tax audit requirements, finance and compliance teams have several important deadlines to track.

What You’ll Find Inside

September 2026 GST & tax filing deadlines
TDS/TCS deposit deadline – 7 September
GSTR-1, GSTR-3B & other GST return dates
2nd Advance Tax instalment – 15 September
Tax Audit Report deadline – 30 September
AOC-4, MGT-7/MGT-7A annual filing reminders
Key penalties and risks of late compliance
Practical tips to stay compliance-ready

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September 2026 Compliance Calendar: Key Filing Deadlines You Can’t Miss

September is a critical compliance month for businesses. From GST and TDS filings to advance tax and tax audit requirements, finance and compliance teams have several important deadlines to track.