In 2012 Mohanraj signed for FC Pune and picked up yet another I-League runner up medal. Only years later, the left back was on the move again, this time to Mumbai Tigers and in February 2014 he signed for SC Goa and made his debut in the I-League match against his forme club Pune F.C.

ISL

On July 19, 2014, IMG-Reliance presented the list for ISL domestic players draft, which Mohanraj was a part off. The left-back was drafted by Atletico de Kolkata on 23 July, 2014. Upon his arrival he was praised as a fast runner and a good overlapper, but there were also threatening clouds about his sense of making mistakes.

Prior to the start off the season it was discussed whether Mohanraj or Biswajit Saha would be Antonio Lopez Habas starting left-back. In most cases Mohanraj was seen as the obvious choice, but as the league started Mohanraj was left out of the squad. It took eight rounds before Mohanraj finally got his first start against Northeast United on November 18, 2014 because off the injured Biswajit Saha.

Mohanraj started the following two matches against Kerala Blasters and Pune City, but once Saha was healthy he was relegated to the bench once again. Mohanraj did two two more short appearances, but sat on the bench during the entire playoffs. 

POST-ISL

Along with his Kolkata-teammate Lester Fernandez, Mohanraj signed for I-League team Bharat FC for the remainder of the 2014-15 season on December 24, 2014.