Mukesh (who's boyhood name was Mukesh Babu) is the son of famous stage actor, director and drama troupe organiser, the late O. Madhavan. Mukesh?s mother Vijayakumari was also a popular stage actress and once winner of the Kerala State award for best stage actress. Mukesh, who hails from Pattathanam in Kollam town, did his schooling at Infant Jesus Anglo Indian High School in Tangasseri, and took his Batchelor of Science degree from Sree Narayana College in Kollam. He is also a Law graduate from the Law Academy, Thiruvanathapuram. Mukesh?s wife is Saritha, a once leading lady and famous Tamil film actress who acted in several roles in South Indian films including the national award winning film ?Thaneer Thaneer? in 1981.