He is known for such films as Kaliyorukkam, Marubhagham and Vishudha Rathrikal as well as theatre productions like Kandamrugam, a drama based on Eugène Ionesco's Rhinoceros.
[2] This was followed by Marubhagham (The Other Side), based on a poem by Nicanor Parra,[3] in 2015 and it won the Special Mention Award at the 10th SiGNS film festival.
[6] The third film was Vishudha Rathrikal (Moral Nights) in 2021,[7][8] an anthology film comprising five stories,[9] featuring Santhosh Keezhattoor, Alencier Ley Lopez and Anil Nedumangad among others.
[10][11][12] Sunil served as an assistant professor at School of Drama and Fine Arts, Thrissur[13] and held the position of the Dean of the Faculty of Fine Arts at the University of Calicut till 2022.
Following the filing of the formal complaint, the university suspended him from his teaching position to facilitate an impartial investigation.