Sachindra Nath Sanyal was a well known Indian freedom fighter and one of the most significant Indian revolutionaries. He was the founder of the revolutionary organisation Hindustan Republican Association (HRA), which was established to conduct protest and opposition against the rule of the British Empire in India. After the year 1928, the Hindustan Republican Association (HRA) became the Hindustan Socialist Republican Association (HSRA). Under the Hindustan Republican Association, Sanyal established the Hindustan Republic Army in the year 1924. He was also the mentor for several prominent revolutionaries such as Bhagat Singh and Chandrashekhar Azad. Sachindra Nath Sanyal was born in the year 1893 in Varanasi (Benaras), Uttar Pradesh. Most of his brothers and cousins also actively participated in the Indian freedom struggle. He was a close associate of another Indian freedom fighter Rash Behari Bose.

Revolutionary Activities of Sachindra Nath Sanyal
Sachindra Nath Sanyal was deeply involved in devising the plans and strategy for the Ghadar conspiracy. After it was exposed in February, 1915, he went into hiding. After Netaji Subhas Chandra Bose went of Japan, Sanyal was considered the most senior leader of the revolutionary movement in the country. Mahatma Gandhi and Sachindra Nath Sanyal engaged in the famous debate that was published in Young India between the years 1920 and 1924. He debated against the gradualist approach of Mahatma Gandhi. Sanyal also founded a newspaper named Revolutionary, by which he depicted a future perspective of Republic India.

Sachindra Nath Sanyal was detained for the Kakori train robbery and eventually he was sentenced to life after the trial. He was imprisoned in the Cellular Jail in the Andamans, a dreaded prison. During his imprisonment, he wrote the renowned book Bandi Jeevan, meaning A Life of Captivity.

The book was considered as a bible for a generation of young Indian revolutionaries who valiantly fought against the British. Later he was temporarily released from prison.

Later Life of Sachindra Nath Sanyal
Afterwards he again got involved with anti-British and revolutionary activities, Sanyal was detained and imprisoned once more. Further more the freedom fighter`s ancestral family home in Varanasi was also confisticated as well. Sachindra Nath Sanyal was one of the few revolutionaries who were sent to the Cellular Jail in Port Blair for 2 consecutive times.

During his time there, Sachindra Nath Sanyal was infected with TB and was transferred to Gorakhpur Jail. He died on 7th February 1942 in Gorakhpur Jail, Uttar Pradesh. Jatindra Nath Sanyal, his brother, published the 1st authentic autobiography of the revolutionary Bhagat Singh in the year 1931. But the book was banned by the British Government of India. Sanjeev Sanyal, a well known environmentalist and economist, is the grand-nephew of Sachindra Nath Sanyal.