The revolutionary like Ashfaqullah Khan, Chandra Shekhar Azad, Ram Prasad Bismil, Roshan Singh and Rajendra Lahiri were all associated with :

Answer: Option A

The Kakori Conspiracy (or Kakori train robbery or Kakori Case) was a train robbery that took place between Kakori and, near Lucknow, on 9 August 1925 during the Indian Independence Movement against the British Indian Government. The robbery was organised by Hindustan Republican Association (HRA).