Dil Kya Kare (1999)

Anand Kishore (Ajay Devgan), his wife, Kavita (Mahima Chaudhary), and only child, a daughter, Neha (Akshita Garud), live a happy and serene life in Delhi, India. The peace and quiet of this happy family is disrupted when a mysterious woman begins to secretly meet Neha who develops an instant fondness for her. The woman, Nandita (Kajol), is revealed to be Neha's biological mother merely wanting to see her daughter. The plot acquires a new tension with the Anand meeting Nandita, a girl he had shared an intimate night with on a train under strange circumstances a few years ago. Nandita reveals Neha to be a consequence of that intimacy whom she had to part with under family pressure.