Coercion means the practice of asking or persuading someone to do something by the means of force, threats, or intimidation.
Bhagat Singh was convicted and hanged on the charges of murder of British police officer John Saunders that was carried out to avenge the death of Lala Lajpat Rai. He was also charged along with Batukeshwar Dutt, of throwing two bombs and leaflets inside the Central Legislative Assembly.