Surya Sen joined started working as a mathematics teacher after completion of his studies when he returned to Chittagong.
While he was in college, he was attracted towards revolutionary ideas and Indian freedom struggle. He ended up joining the revolutionary group Anushilan Samiti.
Surya Sen led a group of Indian revolutionaries in the raid of the armoury of policeat Chittagong armoury on 18 April 1930. Their plan was to seize the arms and ammunition from the armoury and destroy the communication systems of the city. This would have ensured that Chittagong got isolated from rest of the British India. However, one of the groups was not able to loot the arms and ammunition. The revolutionaries hoisted Indian National Flag on the armoury, but had to escape.
A great manhunt followed the armoury raid and a few days later, british police was able to corner a number of revolutionaries in Jalalabad hills.After the fight with police, 12 revolutionaries died and several others were arrested. Surya sen managed to escape from there.
After this, Surya sen stayed in hiding and moved from one place to another very frequently. He was once hiding in the house of Netra Sen who informed the British police about him. The police came and captured the revolutionary in Feb 1933. To take revenge, one of the Indian revolutionaries came Netra sen’s house and beheaded him. Netra sen’s wife was also a big supporter of Master da and never disclosed the name of person who murdered Netra Sen.
Before Surya sen was hanged, british brutally tortured him. They broke his teeth with hammer and pulled out his nails. In fact, his body was dragged to the rope completely unconscious.
Ashutosh Gowariker directed the movie ‘Khelein Hum Jee Jaan Sey’ in 2010 about Sen’s life. ‘Chittagong’ in 2012 was also about armoury raid with Manoj Bajpayee played the lead.
A station at Kolkata Metro has been named as ‘Masterda Surya Sen metro station’.