Explanation:

Madan Lal Dhingra was born into one of the richest families of the city, Amritsar in 1883.

• Dhingra took admission in the University College of London to learn mechanical engineering.

• While studying in London, Dhingra came in contact with Vinayak Damodar Savarkar and Shyamji Krishna Varma, both active in revolutionary circles in the city.

• Dhingra was a frequent visitor to India House in north London.

• India House in north London was founded by Shyamji Krishna Varma.

• India House is a student accommodation for Indians in north London and a hub of revolutionary Indian nationalism.

• Later Dhingra became a member of the secretive Abhinav Bharat Mandal founded by Vinayak Savarkar and his brother Ganesh.

• Dhingra shot British army officer Sir William Hutt Curzon Wyllie in UK in July 1909.

• He is the first Indian to kill a British officer in England.

• Following a brief trial, he was hanged to death on August 17, 1909.

Hence only statement 2nd is correct.