He was born in 1906 in a poor family of Mallah, in village Chainpur Basti under the in Minapur police station, Muzaffarpur district, Bengal Presidency, British India. His father's name was Pachu Sahni.^[2]

On the call of Gandhiji, he participated in the Salt Satyagraha Movement, protest at liquor shops, campaigned in every village for not paying Chowkidari tax to the government, taking part in demonstrations to ban the import of foreign clothes and supported the Harijan Uddhaar Aandolan. During this time he had to go to jail in the years 1932, 1934 and 1942.

In December 1932, while picketing against drug abuse at a liquor shop near Saraiyaganj Marwari Dharamshala in Muzaffarpur, Jubba was injured by the British police and three bones of his left rib were broken.

From the Salt Movement of 1930 to the British Quit India Movement of 1942, their revolutionary steps continued to grow. In August 1942, under his leadership, the movement of setting fire to government offices, post offices, police stations and hoisting the tricolour on them continued.

On 16 August 1942, he led an armed revolt against the Police Station in Meenapur in which the in-charge of the Police Station, Waller was killed. Jubba Sahni took the entire responsibility for the episode upon himself and was later sentenced to death by a special court appointed by the British Government. He was hanged to death in Bhagalpur Central Jail, at the age of 38.^[3][4]

A park and a railway station in Muzaffarpur were named Jubba Sahni Park and Jubba Sahni station as a tribute to him.^{[5][6][7][8][9]} In the jail where he was hanged by the British govt, later named after him. Now, it is called Jubba Sahni Central Jail Bhagalpur.^[10][11]  

• Indian independence movement
• List of people from Bihar
• Muzaffarpur