jairu hails from gyalshing, west sikkim and was spotted during the "search for more bhaichungs" scheme launched by the government of sikkim and was inducted into the sports hostel in namchi. later he moved to the sports academy of sikkim at gangtok and passed out in 2008 grabbing a contract with ongc. after his stint at ongc, he moved to shillong and joined rangdajied united. after spending a season there he signed for mumbai tigers with whom he had a fruitful outing, scoring a number of goals for the team in the 2013 i-league 2nd division.