The story of ZEE5 Original romantic series It Happened In Calcutta revolves around the period of the ’60s and ‘70s when Calcutta, which is known as the ‘City of Joy’, was suffering from Cholera epidemic and unfortunate war that disturbed the peace and serenity of the nation. It is a tragic love story of a young girl Kusum, portrayed by Naghma Rizwan, who falls in love with Ronobir Chatterjee, essayed by Karan Kundrra. It also features Harman Singha as Ratan Bagchi. Directed by Ken Ghosh and produced by Ekta Kapoor (Balaji Telefilms Ltd.), it shall release on 29 February 2020.
Karan Kundrra portrays the character of Ronobir Chatterjee, a flamboyant, handsome and an arrogant individual, who only loves himself. He is an aspiring doctor in Calcutta Medical College and also a class topper. Ronobir is an attention seeker and often enjoys company of beautiful ladies.