Bir was born on 15 August 1999, in Silchar, Assam. Born in a poor family, Bir always showed a passion for dancing as a child, and performed in many live events in his areas prior to contesting in any notable competition.
Bir auditioned for Dance Plus and was selected into Team Punit- headed by Punit Pathak. He dominated the entire season to enter the final, and eventually went on to win it successfully. This was also the first win for a dancer in Team Punit.
Bir was chosen to represent Dance Plus in Dance Champions, that featured champion dancers who won or were runners-up in different shows. Entering as a favorite, Bir went on the win the competition in the final.