Aap Ki Kasam is a 1974 Hindi-language Romance Drama motion picture written by Ramesh Pant and Ram Kelkar. The movie is directed by J. Om Prakash and produced by J. Om Prakash. Rajesh Khanna plays Mumtaz's jealous husband who begins to doubt her fidelity when his best friend Sanjeev Kumar enters their lives. She is unable to convince Rajesh Khanna that she loves only him. He leaves her, not knowing that she is pregnant with his child. Depressed and confused, Rajesh Khanna becomes a homeless wanderer, while Mumtaz remarries to provide a secure home for her child. Many years later, the truth dawns on him as he turns up, a broken man, at his own daughter's wedding. Written by gavin@sunny_deol2009@yahoo.com. Aap ki kasam features Rajesh Khanna, Sanjeev Kumar, Mumtaz Askari, Rehman Khan, Jayshree T., Ranjit Barot and Sudesh Sunder. The music was composed by Rahul Dev Burman along with Anand Bakshi. Cinematography was done by V. Babasaheb and editing by Pratap Dave. The movie has a running time of 154 mins. It was released on 17th April 1974. Distribution rights for the motion picture were acquired by Filmyug Pvt. Ltd.