December 2026
SunMonTueWedThuFriSat
290
300
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
10
20
January 2027
SunMonTueWedThuFriSat
270
280
290
300
310
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
10
20
30
40
50
60
February 2027
SunMonTueWedThuFriSat
310
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
10
20
30
40
50
60
Compliance Due Dates
December 2026
Income-tax Act, 2025 / Income-tax Rules, 2026
67Dec
Form 127 – Upload Buyer Declarations
Form 127
7Dec
TCS Deposit
TCS payment
7Dec
TDS Deposit
TDS payment
15Dec
Advance Tax – 3rd instalment
Advance Tax
15Dec
TDS Certificate – Challan-cum-Statement Cases
Form 132
30Dec
Challan-cum-Statement – Specified TDS Cases
Form 141
CGST Act, 2017 / CGST Rules, 2017
1110Dec
GSTR-7 – GST TDS Return
GSTR-7
10Dec
GSTR-8 – E-commerce TCS Statement
GSTR-8
11Dec
GSTR-1 – Monthly
GSTR-1
13Dec
GSTR-5 – Non-Resident Taxable Person
GSTR-5
13Dec
GSTR-6 – Input Service Distributor
GSTR-6
13Dec
IFF – Invoice Furnishing Facility (Optional)
IFF
20Dec
GSTR-3B – Monthly
GSTR-3B
20Dec
GSTR-5A – OIDAR / Specified Overseas Suppliers
GSTR-5A
25Dec
PMT-06 – QRMP Monthly Tax Payment
PMT-06
31Dec
GSTR-9 – Annual Return
GSTR-9
31Dec
GSTR-9C – Self-Certified Reconciliation Statement
GSTR-9C
Income-tax Act, 1961 (transition)
131Dec
Belated ITR – AY 2026-27
ITR
January 2027
Income-tax Act, 2025 / Income-tax Rules, 2026
87Jan
Form 127 – Upload Buyer Declarations
Form 127
7Jan
TCS Deposit
TCS payment
7Jan
TDS Deposit
TDS payment
14Jan
TDS Certificate – Challan-cum-Statement Cases
Form 132
15Jan
Form 92 – Quarterly Statement (Q3)
Form 92
30Jan
Challan-cum-Statement – Specified TDS Cases
Form 141
31Jan
TCS Quarterly Statement – Q3
Form 143
31Jan
TDS Quarterly Statements – Q3
Forms 138 / 140 / 144
CGST Act, 2017 / CGST Rules, 2017
1110Jan
GSTR-7 – GST TDS Return
GSTR-7
10Jan
GSTR-8 – E-commerce TCS Statement
GSTR-8
11Jan
GSTR-1 – Monthly
GSTR-1
13Jan
GSTR-1 – Quarterly (QRMP)
GSTR-1
13Jan
GSTR-5 – Non-Resident Taxable Person
GSTR-5
13Jan
GSTR-6 – Input Service Distributor
GSTR-6
18Jan
CMP-08 – Composition Tax Payment Statement
CMP-08
20Jan
GSTR-3B – Monthly
GSTR-3B
20Jan
GSTR-5A – OIDAR / Specified Overseas Suppliers
GSTR-5A
22Jan
GSTR-3B – Quarterly (QRMP, 22nd Group)
GSTR-3B
24Jan
GSTR-3B – Quarterly (QRMP, 24th Group)
GSTR-3B
February 2027
Income-tax Act, 2025 / Income-tax Rules, 2026
67Feb
Form 127 – Upload Buyer Declarations
Form 127
7Feb
TCS Deposit
TCS payment
7Feb
TDS Deposit
TDS payment
14Feb
TDS Certificate – Challan-cum-Statement Cases
Form 132
15Feb
TCS Certificate – Q3
Form 133
15Feb
TDS Certificate – Q3
Form 131
CGST Act, 2017 / CGST Rules, 2017
910Feb
GSTR-7 – GST TDS Return
GSTR-7
10Feb
GSTR-8 – E-commerce TCS Statement
GSTR-8
11Feb
GSTR-1 – Monthly
GSTR-1
13Feb
GSTR-5 – Non-Resident Taxable Person
GSTR-5
13Feb
GSTR-6 – Input Service Distributor
GSTR-6
13Feb
IFF – Invoice Furnishing Facility (Optional)
IFF
20Feb
GSTR-3B – Monthly
GSTR-3B
20Feb
GSTR-5A – OIDAR / Specified Overseas Suppliers
GSTR-5A
25Feb
PMT-06 – QRMP Monthly Tax Payment
PMT-06
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