Explanation:

1st option is correct.
Lord Chelmsford was the viceroy upon whom a bomb was thrown but he did not change his attitude towards the Indians.
Lord Chelmsford served as Governor General and Viceroy of India from 1916 to 1921. Important events during his tenure included Lucknow Pact (1916), Khilafat Movement, Emergence of Gandhi as national leader, passing of Rowlatt Act and Jallianwalla Bagh Tragedy (1919), Non-Cooperation Movement, Third Afghan War and Treaty of Rawalpindi, August Declaration (1917), Montague-Chelmsford Reforms (1919).