[1] During his playing career, he represented the "Big Two" of Kolkata football, East Bengal[2] and Mohun Bagan.
[3] Legendary football coach Amal Dutta was influential nurturing talents including Bhattacharya.
[12] Managed by legendary P. K. Banerjee,[13][14][15] his team played in the Central Asia Zone (tournament named "Coca-Cola Cup"), where they defeated numerous foreign clubs to win it.
[3] He is praised for his performance against Argentina in 1984 Nehru Cup,[3] where India was narrowly defeated by 1–0 with the goal from Ricardo Gareca.
[25][26] In 2008, he was appointed head coach of DSA Senior Division side Hindustan FC for a season.
[27] In 2018, Bhattacharya was appointed head coach of CFL Premier Division side Tollygunge Agragami.