- 7th October – Payment of TDS for the Month of September 2019
- 11th October- GSTR1 – Monthly
- 14th October – Director KYC (DIR3KYC)
- 14th October- Auditor Appointment, if AGM held on 30th September and Auditor appointment is applicable
- 15th October- Payment of ESIC and PF Chalan
- 20th October- GSTR3B
- 28th October- AOC4 for Companies , if AGM held on 30th September 2019
- 30th October- LLP Form 8 ( for LLP)
- 30th October- MSME form for Reporting of dues to MSME Enterprises
- 30th October- Tax Audit
