A known voice over and dubbing artists, Rajesh Kava is best known for dubbing the voice of Harry Potter in the last three Harry Potter movies. While he has lent his voice and has dubbed for several movies, he has also been a part of live action television programs, animes, and cartoons, among many other things. His longest association has been that of voicing for the role of Jaggu Bandar in the Chhota Bheem movies and television series.

Meanwhile, he has also dubbed for several other cartoons such as Ben 10: Alien Force for Argit's role, The Grim Adventures of Billy and Mandy for Billy's part, Iron Man: Armored Adventures for the titular character - Tony Stark/Iron Man, and Teenage Mutant Ninja Turtles (2012 TV series) among many other popular cartoons. He also has famous animes such as Beyblade, Dragon Ball Z, Inazuma Eleven, and Ninja Hattori-kun to his credit.

The voice and dubbing artist has also been associated with a number of Hindi-dub movies such as Kung Fu Yoga for Jack's role, Deadpool for Dopinder's role, The Legend of Hercules for Sotiris' role, Ant-Man for Kurt's role among various other movies from different Indian regional languages as well as English. He has also dubbed for animated movies such as Bee Movie, Ferdinand, and Coco.