R.D. Rajasekhar is an Indian cinematographer known for his work in Tamil, Malayalam, Telugu, and Hindi films. He is a member of the Indian Society of Cinematographers (ISC) and has received accolades for his contribution to the film industry.

Rajasekhar began his career as an assistant cinematographer, working under Rajiv Menon in various advertisement films for about nine years. In 2001, he made his debut as a cinematographer in the romantic drama "Minnale." His impressive work caught the attention of director Gautham Vasudev Menon, with whom he went on to collaborate on several successful films.

The crime thriller "Kaakha Kaakha" (2003), directed by Gautham Vasudev Menon, showcased Rajasekhar's unique visual style and received critical acclaim. He used a technique called Bleach bypass to create a distinctive look that resonated with the audience. He continued to work with Gautham Vasudev Menon on films like "Gharshana" (2004) and "Manmadhan" (2004), which were well-received.

Rajasekhar's collaboration with director A.R. Murugadoss began in 2005 with the blockbuster film "Ghajini." His cinematography in the film garnered widespread recognition and earned him awards and nominations. He continued to work with Murugadoss on films like "Akira" (2016), the remake of the Tamil film "Mouna Guru."

In addition to Tamil cinema, Rajasekhar made his Malayalam debut with the film "4 the People" (2004). He has showcased his versatility by working across different languages and genres, contributing his visual expertise to enhance storytelling on the silver screen.

R.D. Rajasekhar's skills as a cinematographer have been recognized with awards such as the Tamil Nadu State Film Award for Best Cinematographer and the Filmfare Award for Best Cinematographer - South. He continues to be an active and respected member of the Indian film industry.