The Chittagong Armoury Raid, which took place in 1934, was a revolutionary movement against British colonial rule in India. The raid aimed to create an uprising by seizing weapons from a British armory.

Option 1: Kalpana Dutt was indeed involved in the Chittagong Armoury Raid. She was a member of the Indian Republican Army and actively participated in the raid.

Option 2: Surya Sen, also known as Masterda, was one of the masterminds behind the raid. He was the leader of the revolutionary group and played a crucial role in planning and executing the raid.

Option 3: Pritilata Waddedar, a revolutionary freedom fighter, was also involved in the raid. She played a key role in attacking the European Club during the raid.

Option 4: Dinesh Gupta was not involved in the Chittagong Armoury Raid. While he was a prominent member of the Indian Republican Army, he was not present during this particular operation.

Therefore, option 4 is the correct answer as Dinesh Gupta was not involved in the Chittagong Armoury Raid.