He was widely considered as one of Tollywood's finest comedians during his peak in the 2000s, most known for his distinct laugh and delivery of jokes.

Sunil played a lead role in Andala Ramudu (2006)[1] and later went on to star in several Telugu language films including commercial successes like Maryada Ramanna (2010), Poola Rangadu (2012), and Tadakha (2013).

[5][6] Sunil's career experienced a decline in the 2010s as he shifted focus to lead hero roles, which resulted in several commercially unsuccessful films.

"[10] Sunil was then cast in the lead role in Poola Rangadu, directed by Veerabhadram Chowdary which was released across 450 theatres worldwide.

[12] The success of the film brought him many offers to play negative roles and he made his Tamil debut in 2023 with Maaveeran (2023).