Bhagat Singh was the founding Secretary of which of the following organisations?

Which of the following revolutionary organisations was founded by V.D. Savarkar in 1904?

Which organisation was founded in 1926 by Bhagat Singh, Bhagwati Charan Vohra and Sukhdev Thapar?

Who among the following founded the Organisation 'Mitra Mela' ?

Which among the following organisations was responsible for throwing a bomb at Viceroy Lord Hardinge in Delhi?

Who among the following leaders founded the revolutionary organization 'Abhinav Bharat Society'?