Malik has vast experience in TV commercials (Times of India, Skoda, Birla Sun Life Insurance), music videos, modeling and designer shows.

He began his acting career in television with Kumkum on Star Plus and then he played a lead role in Zee TV's show Saath Saath Banayenge Ek Aashiyaan,[11][12] he also appeared in Star One's, TV serial Shakuntala.

[20] He won the Best Actor Award in the 2014 World Buddhist Film Festival for his role in "Siddhartha Gauthama".

[23][24] Currently he plays the role of Lord Rama in Sankatmochan Mahabali Hanuman in Sony TV.

"[26] In 2014, Gagan Malik renounced Hinduism and embraced Buddhism on Poson Poya day in Mihintale, Sri Lanka.

In 2013, the idealist actor Gagan Malik, together with Navin Gooneratne who produced "Sri Siddharta Gautama" film, launched the "Lotus World" project based on the fundamentals of Buddhism by The Light of Asia Foundation, a non-profit organization based in Sri Lanka focused on the advancement of Buddhism throughout the world through audio visual media, to invite likeminded people around the world to the "Lotus Family" to serve humanity.

[37] The idea is to form a Family of Members of like thinking based on the Noble Eightfold Path.

He stressed that playing the role of Sri Siddharta Gautama had entirely changed his life and his attitude, which is how Lotus World was born.

The satisfaction of "doing something for another person" is what has encouraged actor Gagan Malik to give-up the glamorous life style of a film star.