2021 IFA Shield
The 2021 IFA Shield was the 124th edition of the IFA Shield. It had 1 Indian Super League team, 5 I-League teams and 10 Calcutta Premier Division teams. Real Kashmir defended their title defeating Sreenidi Deccan in the final.
Teams
| Qualification | Team | Location |
| Direct qualify to QuarterFinal | Mohammedan | Kolkata, West Bengal |
| Direct qualify to QuarterFinal | George Telegraph | Kolkata, West Bengal |
| Direct qualify to QuarterFinal | United | Kolkata, West Bengal |
| Direct qualify to QuarterFinal | Railway | Kolkata, West Bengal |
Group stage
Group A
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Group B
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Group C
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Group D
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Knockout stage
Bracket
Pre Quarter-finals
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Quarterfinals
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