Filing your Goods and Services Tax (GST) returns regularly is essential for compliance and maintaining your input tax credits. This comprehensive handbook guides startup founders on GSTR-1 and GSTR-3B filings, due dates, and penalty rates.

Key GST filing milestones:

• GSTR-1 (Outward Supplies): Due by the 11th of every month.
• GSTR-3B (Summary Return): Due by the 20th of every month.