Bollywood filmmaker and producer Karan Johar has an eye in choosing South films to watch and never fails to appreciate them. Recently, he took some time off his schedule and watched director Vetri Maaran's latest venture, Asuran starring Dhanush and Manju Warrier. Karan Johar, who caught the film in Mumbai, showered praises on the film, director Vetri Maaran and Dhanush. …
