If your company financial year ending is March 31, then due date of your filing will be September 30 every year.
But filing of Form-23AC & ACA will depend on your AGM date.
The time limit for filing of following Forms:
1. Form-23AC (Balance Sheet) will be filed within 30 days from the date of AGM. 2. Form-23ACA (Profit & Loss A/c) will be filed within 30 days from the date of AGM; 3. Form-66 (Compliance Certificate) will be filed within 30 days from the date of AGM, 4. Form-20B (Annual Return) will be filed within 60 days from the date of AGM