Resham Ki Dori

Resham Ki Dori is a 1974 Bollywood film starring Dharmendra and Saira Banu. The film was rated above average at the box office.

This film was to star Rajesh Khanna and Saira Banu in the lead but Khanna had date issues so asked director to take some one else.Then director replaced Khanna with Dharmendra.

Source: Wikipedia