Rajguru and Sukhdev were Indian revolutionaries who were the members of the HSRA group. They both worked with Bhagat Singh to fight the British.They are known for the killing of John Saunders as revenge for ordering a lathi charge on Lala Lajpat Rai during the Simon Commission protest, which eventually led to his death. Rajguru, Sukhdev and Bhagat Singh were hanged on 23rd March, 1931.