Career
Anumanthan began his professional football career with Young Lions in 2012. With the team short on numbers, the National Football Academy trainee was called up to the squad. Anumanthan was called up to the senior team in July 2013.
He made his senior debut for Singapore in a 2015 AFC Asian Cup qualifying match against Oman on 14 August 2013, coming on for striker Indra Shahdan Daud in the 70th minute.
He followed it up with his first start in a friendly match against China on 6 September 2013.