sentences:  Next day, A young and handsome Yusuf (Rajesh Khanna), who is the son of a wealthy businessman named Nawab Safdarjung (Iftekhar) who is physically handicapped and uses a wheelchair, comes to Shabana's house and mistook Shabana with her cousin, while she is sleeping and wakes her up.But Yusuf was mesmerized by her beauty and at the same time, both are confused.Yusuf comes to know about Shabana from her cousin.