Jagan was born as the elder son of Mr. Reju Joseph and Mrs. Manju at Kaloor, Ernakulam. His father is a music director, while mother runes an online boutique. He completed his schooling at Rajagiri Public school, Ernakulam. Jagan is doing engineering in Applied Electronics and Instrumentation at Rajagiri school of engineering and technology, Kakkanad, Ernakulam.
Jagan started his career in acting playing the childhood role of Thilakan in the film ‘Usthad Hotel’. He played the role of a rough and tough rowdy character, Benjamin aka Kaka Ramesh. To give perfection to his role, he trained stunts under Mafia Sasi.
Jagan managed to do a laudable job moving his legs to the super hit song ‘Jimikki Kammal’. He considers working with Mohanlal as a priceless experience. With a filmmaker in him, Jagan has directed two short films.