After finishing the course at Whistling Woods, he assisted Sanjay Leela Bhansali and Subhash Ghai on the films Guzaarish and Yuvvraaj.

Jain then met Mikhil Musale and Anish Shah during an international film festival in Ahmedabad and founded CineMan Productions in 2010.

[2] He made his debut film, Kevi Rite Jaish (2012) in Gujarati language.

In June 2015, he published Aa To Just Vaat Chhe..., a book on his experiences while making his first two urban Gujarati films.

[9] In 2021, he directed Hindi-language comedy drama film Hum Do Hamare Do.