Who from the following killed Michael O' Dwyer responsible for Jallianwala Bagh massacre?

Who drafted the Congress Enquiry Committee Report on the Jallianwala Bagh Massacre?

Who resigned from the membership of Viceroy’s Executive Council as a protest against Jallianwala Bagh Massacre?

The Jallianwala Bagh Massacre happened in the context of which Gandhian Satyagraha?

The massacre of the crowd at Jallianwala Bagh at Amritsar took place on :

Who among the following resigned from the Viceroy's Executive Council, saddened by the Jallianwala Bagh Massacre? 1. Chettur Sankaran Nair 2. Ishwari Prasad 3. Muhammad Shafi 4. Iqbal Narain Gurtu