13OCT
GST · QRMP
Quarterly GSTR-1
For eligible quarterly filers: report outward supplies for Jul–Sep 2026.
QRMP quarterly filers ke liye Jul–Sep quarter ki outward supplies.
GST Portal guidance ↗Home / October compliance planner
SOURCE-CHECKED · 29 SEP 2026October 2026
Compliance Calendar
Key GST, tax-audit and TDS dates in one place. Check which dates apply to your filing frequency, location and case.
Download share graphic ↓Share the planner link with your team; always verify live portal dates.
21OCT
INCOME TAX · SPECIFIED AUDIT CASES
Tax audit report date
CBDT extended the specified audit-report date to 21 Oct 2026 for the persons covered in its announcement.
Yeh extension sirf notice mein covered specified audit cases par lagu hai.
Ministry of Finance announcement · 28 Sep ↗22
/ 24OCT
/ 24OCT
GST · QRMP
Quarterly GSTR-3B
For Jul–Sep QRMP filers: 22 Oct for listed states/UTs in the GST advisory; 24 Oct for the other listed states/UTs.
Apne principal place of business ke hisaab se 22 ya 24 Oct wali date check karein.
GST Portal QRMP advisory ↗31OCT
TDS · Q2
Quarterly TDS statement · Form 140
For deductors required to report TDS on non-salary payments to residents for Jul–Sep 2026.
Jul–Sep quarter ki applicable non-salary TDS statement filing date.
Income Tax Department Form 140 manual ↗Before you file: This is a general planner, not a personalized compliance list. Due dates can be extended or vary by category. Check the latest official notice and your portal dashboard on the filing date. The 21 Oct audit date applies only to specified covered cases; audit-category ITR due date is 21 Nov 2026 per CBDT’s announcement.
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Sources checked 29 September 2026. Always confirm later notifications before acting.