He made his debut as a comedian in movie Kotha Bangaru Lokam with stars like Varun Sandes, Sweta Prasad, Prakas Raj, Jaya Sudha and Brahmanandam and was directed by Srikaant Addala which won 2 Nandi Awards. Later, Praveen went on and starred in various other movies with stars like Ravi Teja, Ram, Naga Chaitanya, Manchu Manoj and Pawan Kalyan.