 In 2018-19, under coach Alejandro Menendez, Rohlupuia was promoted to the senior side and was part of the team which toured Malaysia for the pre-season and played 4 friendlies as a part of the preparation for the 2018-19 I-League.He joined the team as a central midfielder, however, he spent most of the campaign on the reserve bench and featured only in 1 game as he made his senior debut when he came on from the bench against Minerva Punjab F.C.away at Tau Devi Lal Stadium, Chandigarh on 3 March 2019, which East Bengal FC won 1-0.