Samantaral (Parallel) is a 2017 Bengali psychological drama featuring Parambrata Chatterjee and Riddhi Sen in lead roles. Arko ( Riddhi Sen ) returns to his 'mamarbari' (maternal uncles' house) to meet his extended family. Over there, he meets his second uncle Sujan (Parambrata Chatterjee) who is always locked in a room because of his presumed mental retardedness. Arko takes permission from his grandfather (Soumitra Chatterjee) to allow him to take Sujan out of the house for some time, much to the chargrin of his other uncles (Kushal Chakraborty and Anindya Banerjee) and aunt (Tanusree Chakraborty). As Arko sees his uncle more closely, he realizes that something very wrong has happened to him and the family is hiding a secret. The rest of the story revolves around how Arko and his girlfriend understand Sujan's pain and discover the secret in the house. Parambrata Chatterjee as Sujan Riddhi Sen as Arko Soumitra Chatterjee as Sujan's father Surangana Bandyopadhyay as Titli, Arko's girlfriend Kushal Chakraborty as Supriyo, the eldest son Aparajita Adhya as Eldest daughter-in-law Anindya Banerjee as Kaushik, the youngest son Tanusree Chakraborty as youngest daughter-in-law