Consider the following pairs:
| Event | Associated leader |
| 1. Kanpur Bolshevik Conspiracy Case | S.A.Dange |
| 2. Kakori robbery | Bhagat Singh |
| 3. Saunders murder | Ramprasad Bismil |
| 4. Chittagong Armoury raid | Surya Sen |
Which of the pairs given above is/are correct?
1
2 and 4 only
2
1 and 4 only
3
1, 3 and 4 only
4
1, 2 and 3 only