Income Tax & GST – Key Due Dates and Actions Required

As we approach the year-end compliance period, taxpayers are advised to take note of the following critical Income-tax and GST obligations to avoid penalties, interest, and loss of benefits.

INCOME TAX – DECEMBER 31st DUE DATE

Who must act before 31st December?

1. Taxpayers who have not yet filed Income-tax Return (ITR) for the relevant Assessment Year.

2. Especially applicable to:

  • Individuals
  • Proprietors
  • Professionals
  • Small businesses
Consequences of not filing ITR:
  1. Late filing fees under Section 234F
  2. Interest under Sections 234A / 234B / 234C
  3. Loss of:
  • Carry-forward of losses
  • Refund claims
  1. Increased chances of Income-tax notices
Action Required:

File the pending Income-tax Return immediately to avoid further consequences.

 

AADHAAR – PAN LINKING (MANDATORY)

Important Update:
  1. PAN must be linked with Aadhaar.
  2. Unlinked PANs are treated as inoperative.
If PAN is inoperative:
  • Income-tax Return cannot be filed
  • Higher TDS/TCS deduction
  • Bank transactions and financial filings may get blocked
Action Required:

Check Aadhaar-PAN status and complete linking at the earliest by paying the applicable fee, if not already linked.

 

GST ANNUAL RETURN – GSTR-9 & GSTR-9C REMINDER

Due Date (for applicable Financial Year):
  • GSTR-9 – Annual Return
  • GSTR-9C – Reconciliation Statement & Audit (where applicable)
Who must file?
  1. GSTR-9:
  • Regular GST taxpayers (mandatory based on turnover limits)
  1. GSTR-9C:
  • Taxpayers crossing prescribed turnover threshold
Consequences of non-filing:
  1. Late fee per day (CGST + SGST)
  2. Notices from GST department
  3. Difficulty in future GST compliance
  4. Risk of audit and assessments
Who must file?
  1. GSTR-9:
  • Regular GST taxpayers (mandatory based on turnover limits)
  1. GSTR-9C:
  • Taxpayers crossing prescribed turnover threshold
Consequences of non-filing:
  1. Late fee per day (CGST + SGST)
  2. Notices from GST department
  3. Difficulty in future GST compliance
  4. Risk of audit and assessments

 

CONCLUSION

     The December 31, 2025, deadline is more than just a date on the calendar—it is the final threshold for maintaining your financial compliance in India. Missing these deadlines can lead to a cascade of issues, from heavy penalties and inoperative PAN cards to blocked GST credits and legal notices.

     Timely compliance not only avoids penalties and interest but also ensures:

  • Smooth financial transactions
  • Better compliance rating
  • Peace of mind at year-end