Sir Michael O'Dwyer , aged 75 , was shot dead at a joint meeting of the East India Association and the Central Asian Society ( now Royal Society for Asian Affairs ) in Caxton Hall in Westminster , London , on 13 March 1940 , by an Indian revolutionary , Udham Singh , in retaliation for Jallianwala Bagh massacre in Amritsar
Jallianwala Bagh massacre
Jallianwala Bagh massacre
Michael O'Dwyer