India, Oct. 26 -- I have been watching Nikhil Chinapa on television for as long as I can remember. From his days as an RJ at MTV to becoming a familiar face on popular reality shows such as Roadies and Splitsvilla, he has remained a constant presence in India's entertainment landscape. And if there is one thing that seems unchanged over the years, it is his seemingly ageless appearance and infectious energy.

Now, returning as a gang leader on MTV Roadies: Rebirth, the 53-year-old continues to impress with his fitness and well-maintained physique. In an exclusive conversation with HT Lifestyle, Nikhil reveals his fitness secrets, from his workout routine and diet to his biohacking experiments. (Also read: Rakul Preet Singh talks her fashi...