He made his debut in a supporting role in Tarun Gopi's Kaalai (2008), before going on to play the antagonist in films including Kunguma Poovum Konjum Puravum (2009) and Aanmai Thavarael (2011) and the lead role in Padam Parthu Kaadhal Sol (2012).
He continued to portray antagonistic roles in Kunguma Poovum Konjum Puravum (2009), Nagaram (2010) and Markandeyan (2011), before playing the lead role in the romantic comedy Padam Parthu Kaadhal Sol (2012) and the unreleased investigative thriller Kandupidi Kandupidi.
In the year 2015 Sulile Kumar debuted in the Kannada film Maarikondavaru, where he played a real life character of Devanura Mahadeva, an award-winning novelist and writer in Kannada.
In 2016, Kumar wrote, directed and acted in a short film The Broken Tide, which revolves around troubled relationships.
In 2017, Kumar reverted to using his original name[3] and will be seen as the antagonist in the horror film Dora and Ameer's period drama Santhana Devan.