Martyr of least age in the war of Independence in given options only was –

In these options, who was arrested and tried along with Surya Sen and given a life sentence?

Who was given life punishment for the murder of Colonel Wyllie?

One of the founder leaders of Hindustan Socialist Republican Army was-

"We shall die to awaken the nation”, was the call of

Who said, “criticism and independent thought are the two characteristics of a revolutionary”?