He has worked as first assistant director on two feature films and also written screenplays for two feature films. As an independent director Karan has been making mainly documentaries and his last film, AN AMERICAN IN MADRAS, a feature length documentary, has been critically acclaimed and screened at many film festivals the world over. He is currently shooting and simultaneously editing another feature length documentary.

He is a reputed film critic and is the co-founder and content-in-charge of Upperstall.com, an analytical website on cinema of the sub-continent. He is also a film historian, with an almost unparalleled knowledge of regional cinemas of India. Karan loves to share his knowledge and passion and teaches filmmaking as visiting faculty at various film schools and institutes.