Poster of the death sentence judgment Of Bhagat Singh, Sukhdev, Rajguru and others, 1930. On December 17, 1928, revolutionaries Bhagat Singh and Shivaram Rajguru shot and killed Police Assistant Superintendent John Saunders. This case was called the Lahore Conspiracy Case. They were supported in this act by their compatriots Sukhdev Thapar and Chandrashekhar Azad.