With more than 50 films entered from eight Saarc countries and a special broadcast of 12 Iranian movies, the fourth annual South Asian Film Festival starts in Goa June 26. The four-day happening will feature movies from Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan and Sri Lanka and will have the theme 'dissolving boundaries', the administrator website of the festival said. 'Films are the single most efficient medium for improving communication and cooperation within the South Asian region. The influence of films on the psyche of the masses in the region is enormous,' Rahul Barua, secretary wide-ranging of the South Asia Foundation, said in a statement.