Youth politics Bhattacharya served in several positions in the early 1990s, such as the general secretary of the
Bharatiya Janata Yuva Morcha (BJYM) in South Howrah
mandal (). Later, he became its general secretary in the Howrah district. He was later elevated to the post of state general secretary of the BJYM and held for 11 years.
Early organisational roles in BJP Bhattacharya was the state general secretary of BJP in West Bengal on three non-consecutive terms. He is the member of
BJP National Council.
Initial electoral journey He lost the Shyampukur Assembly seat in 2006 and the Basirhat Lok Sabha seat in 2014.
Chief party spokesperson Bhattacharya has been the chief spokesperson in
BJP West Bengal in 2020. He contested in
2021 West Bengal Legislative Assembly election from
Rajarhat Gopalpur Assembly constituency. He was known by critics and supporters for his orator skills, soft-spoken and well accepted by both old and new factions in the party. == Electoral performance ==