He then subsequently did a Telugu language film titled Keelu Gurram, in which he played a supporting role, which didn’t do well at the box office.

He struggled to get a breakthrough as an actor and during the period, he worked as a playback singer in films, notably recording for Harris Jayaraj in his albums for Anniyan, Ghajini and Vettaiyaadu Vilaiyaadu.

[4] He signed on to feature in Prasad's Kadhalil Vizhunthen, his first film as a lead actor, in 2007 and lost close to 20 kilograms in order to fit into the role of his character.

[5] Portraying a semi-psychotic character who refuses to accept the death of his lover, the film saw Nakkhul paired alongside actress Sunaina.

"[6] Sun Pictures also chose to distribute his next venture, the romantic comedy Maasilamani (2009) opposite Sunaina again, with the film becoming a surprise huge box office success.

"[13] He went on next be seen in Naga Venkatesh's Narathan, while K. S. Adhiyaman's long-delayed venture Amali Thumali, in which Nakkhul co-stars with Shanthnu Bhagyaraj, was also expected to be completed in 2014.

His elder brother, Mayur, has also attempted to make a career as an actor, though several of his films have been stalled prior to completion.