The Kakori Conspiracy Case was a significant event in the Indian freedom struggle that took place in 1925. It was a train robbery carried out by members of the Hindustan Republican Association (HRA) to acquire funds for their revolutionary activities against British rule.

To answer the question, we need to identify the person who was not associated with the Kakori Conspiracy Case.

Option 1: Ramprasad Bismil - Ramprasad Bismil was one of the masterminds behind the Kakori Conspiracy Case. He played a crucial role in planning the robbery and was later convicted and sentenced to death.

Option 2: Rajendra Lahiri - Similarly, Rajendra Lahiri was also involved in the Kakori Conspiracy Case. He was one of the key members of the HRA and took part in the train robbery.

Option 3: Ashfaqulla Khan - Ashfaqulla Khan, along with Ramprasad Bismil, was one of the main organizers of the Kakori Conspiracy Case. He actively participated in the planning and execution of the robbery.

Alert - correct answer should be 4: Surya Sen - Surya Sen, also known as Masterda, was not associated with the Kakori Conspiracy Case. He was a