 Do started the season in the 2015 Calcutta Football League where he scored 12 goals in 10 appearances, helping his team to clinch the title, including a brace in the 4–0 derby win over Mohun Bagan where he scored 2 goals both from a free kick.He made his I-League debut for East Bengal on 10 January 2016 and recorded an assist in East Bengal's 3–1 win over Sporting Club de Goa.He also played an important role in the return league of 2015-16 I-League in the match against arch rivals Mohun Bagan as he scored two goals one from a spot-kick and the other one by dancing past two defenders at Kanchenjunga Stadium of Siliguri.