The two-day film festival is organised by Himalayan Velocity with the support of Himachal Language, Art and Culture department at historic Gaiety Theatre.
"People from Bollywood descend on Shimla for shooting films, so why we should not have the facility of film studio," Naval said.
As many as 46 documentaries, short films, animation and feature films will be screened in the competitive and non- competitive category and 35 film makers from 23 countries are participating in it.
"Why just once a year, it is a fantastic initiative and should get support from all quarters," the actor said.
The entries in the festival included films from Singapore, Australia, Portugal, South Korea, Hong Kong, Italy, Nepal, Bhutan, Germany, France, USA, UK, Netherlands, Canada, Poland, Africa, Switzerland, Japan, Turkey, Oman, Tajikistan, Iran and India.