A chunk from real life of Raj Kapoor. Raj Kapoor, as a new actor, went to Jaddan Bai's home to ask her to allow her daughter to work in his film/or some other reason . Nargis was making 'pakode' in her home and came running to receive the stranger standing outside. She opened the door and rubbed her forehead to clear the hair and 'besan' got stuck on her forehead. This was the time when Raj was mesmerized by her and it started the course of a very successful on screen pair. He put this situation in 'Bobby'.
"Enter... Hot Curry" by Madlib sampled "Hum Tum Ek Kamre Mein Band Ho" shammi kapoor and feroz khan had an fight in 1973 during the songs release of bobby, they were not on speaking terms till after 25 years in 1998 during the release of prem aggan all was well between them.
Rishi Kapoor first film as the hero and debut film of Dimple and singer Shailendra Singh,Laxmikant-Pyarelal and Anand Bakshi entry to R.K.Films by this film. One day Laxmikant took Anand Bakshi to see his house which was still under construction, when they want to come out they lost their way, they dint know the way out,so they went on finding the way meanwhile Anand Bakshi got an idea of a song, 'bahar se andher na ahsake.....' when Raj Kapoor heard it he liked it found the situation for this song and got it recorded, became a big hit song. Mukesh was to sing a song which comes in the background but it dint happen. Song writer Vithalbhai Patel wrote a song 'yeh umar nahi hai pyar ki' for this film, but it wasnot used. In Awaara made about 20 years before Bobby there is an outdoor scene between Raj Kapoor and Nargis, in the the tune of background music comes there is 'na mangu soona chandni' the song of Bobby. Raj Kapoor had to keep the gurentee of ornaments of his wife to get money to start Bobby.