Arup was the first son of Sri Arabinda Das and Smt Aparna Das, who reside at Ghoshpara (Daspara), Ward No.3, Kalyani. Arup's father is a service-holder and mother a housemaker. Anup, his brother, younger by four years, is a good footballer and an undergraduate student. The whole of the extended family always holds Arup in love and adoration for his humane qualities and versatile abilities.