The group included Ananta Singh, Ganesh Ghosh and Lokenath Bal, and fought against the British stationed in Chittagong.

"[4] After the Chittagong raid in 1930 and a fierce battle where over 80 British Indian Army soldiers and 12 revolutionaries were killed, Sen and other surviving revolutionaries dispersed into small groups and hid in neighbouring villages, launching raids on government personnel and property.

[6] Sen was born on 22 March 1894 in a Bengali Baidya family at Noapara, under Raozan Upazila in Chittagong, Bengal Presidency, British India (now in Bangladesh).

When Sen came to Chittagong in 1918, he started teaching at the local National School, becoming famous with the honorific Master da.

He looted the treasury of Assam-Bengal Railway for cash money to fuel the movement, for which he was imprisoned with fellow revolutionary Ambika Chakrabarty for two years.

[9][10][11]Sen led a group of revolutionaries on 18 April 1930 to raid the armouries of police and auxiliary forces in Chittagong.

A few days later, a large fraction of the revolutionary group was cornered on Jalalabad Hill by a British Indian Army detachment.

[14] But Netra Sen informed the British of his hiding place, and the police came and captured him in February 1933.

Write in red letters in the core of your hearts the names of the patriots who have sacrificed their lives at the altar of India's freedom.

Actor Abhishek Bachchan played the role of Sen.[19] Another film Chittagong (2012) directed by Bedabrata Pain was about Sen's armoury raid.