Bollywood movie, Kotwal Saab, directed by Hrishikesh Mukherjee and written by Bimal Dutt was released on June 1, 1977. The movie starred Shatrughan Sinha and Aparna Sen in lead roles while Utpal Dutt, Asrani, Raza Murad, Amol Sen, Sudhir and David Abraham also played significant characters in the film. The melodious musicof the movie was composed by the well known music director Ravindra Jain while the songs were rendered by Mohammed Rafi, Kishore Kumar, Asha Bhonsle, Hemlata etc.

The movie starts with Inspector Bharat Prasad Sharma ( Shatrughan Sinha ) who lives alongwith his younger brother in a small town. His younger brother is in love with a girl named Saraswati ( Ritu Kamal ) and they both get intimate with each other as a result of which Saraswati gets pregnant. They bothe gte married to each other much to the anger of Bharat. Bharat then decides to keep a distance from them and breaks all relations with them. Time passes and Bharat becomes Deputy Superintendent of police.

He gets the charge of a new police station in a town which is ruled by a deadly criminal Dharam Kohli ( Utpal Dutt ). Dharam is also trying to becomes the member of the legislative assembly. Bharat arrives there and immediately suspends the corrupt police officer, Thakur ( Manmohan ). He also arrests Dharam Kohli but is forced to leave him because of some medical reasons. meanwhile Bharat falls in love with a girl named Prabha Sharma ( Aparna Sen ) and get married with her.

The hit songs of the movie are:

1. Saathi re bhool na jaana
2. Suman samaa
3. Zehar deta hai mujhe koi