Correct Answer: (d) They were associated with Kakori Conspiracy case
Solution:Kakori Revolution was a train robbery plan executed by Ram Prasad Bismil, Ashfaqulla Khan, Rajendra Lahiri, Chandrashekhar Azad, Sachindra Bakshi, Keshab Chakravarty, Manmathnath Gupta, Murari Sharma (fake name of Murari Lal Gupta) Mukundi Lal (Mukundi Lal Gupta) and Banwari Lal. Roshan Singh had not taken part in the Kakori conspiracy, yet he was arrested and confined to capital punishment of death sentence by the then British Government.