[1][2] Dinesh was born as the second child of Prabhakaran Nair and Sarojini Amma at Pulluvazhi, Perumbavoor, Ernakulam, Kerala.

Passionate about the movies and fascinated to Hindi language during school days with heavy influence by the Doordarshan serials like Circus (Indian TV series), Humraahi, Tamas (film) and the programs like Chitrahaar & Surabhi (TV series) he then moved to Mumbai in the early 1990s where his elder sister stays.

He started to work as a medical shop assistant for a living along with learning the language Hindi.

His movie career started with a small role in the film Meesa Madhavan in 2002.

Meanwhile along with his fellow dubbing artist and friend Jis Joy he started an advertisement agency.