Born in Manipur, Singh began his career with local side NEROCA FC at the age of 11. He made his senior debut in the Manipur State League at the age of 16. Tondonba made his professional debut in the Hero I-League in 2017 against Minerva Punjab. He then, went on to play every minute of the Hero I-League campaign for NEROCA, clocking 1620 minutes in the process and also managing to provide two assists. This will be his debut Hero ISL season.