Dillagi[1] (Hindi: दिल्लगी, translation: Infatuation) is a 1966 Bollywood film starring Mala Sinha and Sanjay Khan in lead roles.
The film was produced by Tony Walker, directed by S. Banerjee, with screenplay and dialogues by Mushtaq Jalili, story by Mehmood Lucknavi, lyrics by Majrooh Sultanpuri and music by Laxmikant-Pyarelal.
One day she meets Sapan (Sanjay Khan) in a club, when his friend Deepak (Vijay Kumar) tries to make them fall in love with each other.
There are also two sub-plots of Pyarelal pursuing Usha (Bela Bose) and Deepak being in love with a girl he sees by the lake, Lajwanti.
However, Sapan's unwell father Rai Sahab, who was blackmailed by a shady character Puran (Keshav rana), dies soon.