He comes from from a modest background where his father was employed at BHEL and mother is a housewife. Prasanna impressed everyone with his skills of mimicry and acting, in his school and college. He went for an open audition for Five Star while he was pursuing engineering.
He made his acting debut with Mani Ratnam’s Five Star in 2002. The film was praised by critics but performed average at the box office. Prasannas next couple of films, however, failed at the box-office. After Five Star, his noted performance came in Azhagiya Theeye. He then delivered another hit in Kanda Naal Muthal and tasted actual commercial success. His role of an antagonist was well received by audience in movie Anjathey. His film Achchamundu! Achchamundu! In which he starred opposite actress Sneha was a huge hit and well received globally as well.
Prasanna married her co-star and actress Sneha in 2012. The couple is blessed with a son Vihaan who was born in 2015.