[3] Pratap was born on 3 April 1943 in Sreenagar Upazila of Munshiganj District in Bengal, British India, the son of Priyo Shankar and Annapurna Hazra.

[4] Pratap began playing inter-college football in 1961, representing Jagannath College, and eventually joined Victoria SC in the Dhaka First Division League in the same year.

He notably scored from a direct corner against Karachi Port Trust in the 1964 Aga Khan Gold Cup final, as both teams shared the trophy after a 1–1 draw.

He was also part of the Mohammedan team that were unbeaten league champions in 1969, with his attacking partnership with Ali Nawaz Baloch, Abdullah Rahi and Golam Sarwar Tipu being integral to their success that season.

[6] He served both as an organizer and a player at the club, and helped them win the First Division League three times while also clinching a runner-up position in the Atiqullah Cup.

[1] In 1964, he made his Pakistan national team debut, featuring in three exhibition games against Neftçi PFK (formerly Neftyanik) from Baku, Soviet Union.

[11] During the 1965 RCD Cup, he provided an assist to fellow left inside forward Mohammad Saleem to score the consolation goal for Pakistan in a 1–3 defeat against Turkey.

His final contribution to the Pakistan national team came during four exhibition games against Saudi Arabia, where he replaced Ayub Dar in the starting eleven.

[1] During the Bangladesh Liberation War, the Pakistan Army burned down Pratap's house in Armanitola on the night of 26 March 1971 because he and his family were Hindus.

Pratap's family, fled their one-story house and sought refuge in the graveyard of a nearby Armenian Church to save their lives.

[15][13] In 1972, Pratap represented Dhaka XI (the unofficial Bangladesh national football team) at the Bordoloi Trophy in Guwahati, India.

Pratap also coached the Bangladesh national field hockey team, which won bronze at the 1995 South Asian Games held in Madras, India.

[8] In 1987, Pratap served as the head football coach of Mohammedan SC and led the club to the Federation Cup title, defeating arch-rivals Dhaka Wanderers 1–0 in the final.