Do Kaliyan is a 1968 film directed by R. Krishnan and S. Panju. It stars Mala Sinha, Biswajeet, Mehmood and Neetu Singh. It was a remake of the 1965 Tamil language film Kuzhandaiyum Deivamum, itself adapted from Disney's The Parent Trap (1961) and ultimately based on the Erich Kästner novel Lottie and Lisa (Das doppelte Lottchen).