The Viceroy of India at the time of the Kakori train robbery (Kakori conspiracy, 1925) was:

Lord Reading (Rufus Isaacs) was the Viceroy of India from 1921 to 1926, during which the Kakori train robbery (1925) took place.

About the Kakori train robbery:

• On 9 August 1925, members of the Hindustan Republican Association (HRA) stopped a train at Kakori, near Lucknow, and looted the government treasury it was carrying.
• The aim was to raise money for revolutionary activities and to buy weapons.
• It was planned by Ram Prasad Bismil, with Ashfaqulla Khan, Chandrashekhar Azad, Rajendra Lahiri, Roshan Singh and others.
• The British arrested many revolutionaries and tried them in the Kakori conspiracy case.
• Ram Prasad Bismil, Ashfaqulla Khan, Rajendra Lahiri and Roshan Singh were hanged in December 1927.
• Chandrashekhar Azad escaped.
• The friendship of Bismil (a Hindu) and Ashfaqulla (a Muslim) became a symbol of Hindu-Muslim unity.

About Lord Reading:

• He was a British lawyer and judge, who had been Lord Chief Justice of England.
• He was the first Jew to become Viceroy of India.

Important events of his time:

• The visit of the Prince of Wales (1921), which was boycotted by the Congress.
• The Moplah (Mappila) rebellion in Malabar (1921).
• The repeal of the Rowlatt Act and of the press laws of earlier years.
• Gandhi's arrest and trial (1922).
• The Indian Communist Party was formed at Kanpur (1925).

The Rashtriya Swayamsevak Sangh (RSS) was founded at Nagpur by K. B. Hedgewar (1925).

The Lee Commission on the civil services (1924).

The Indian Civil Service examination began to be held in India (1923).

Why not the other options?

• ✗Lord Chelmsford was his predecessor.
• ✗Lord Willingdon and Lord Linlithgow were later Viceroys.