Kotwal Saab

Kotwal Saab Police Officer is a 1977 Bollywood drama action film directed by Hrishikesh Mukherjee. An Amiya Arts production, it was produced by Pawan Kumar and had story by Bimal Dutt, with dialogue by Rahi Masoom Reza. The music director and lyricist was Ravindra Jain. The main stars were Shatrughan Sinha and Aparna Sen with a supporting cast consisting of Utpal Dutt, Asrani, David, Raza Murad, Sudhir and Ritu Kamal.

Bharat Prasad Sinha Shatrughan Sinha is the new Deputy Superintendent of Police DSP in town. He has been assigned the task by Police Commissioner Ramesh Kulkarni Om Shivpuri. The Commissioner informs him that Dharam Kohli Utpal Dutt, who is standing as an MLA in the upcoming elections, is also involved with smuggling activities. On taking charge Bharat has to suspend Inspector Thakur for corruption charges and being in league with Kohli. Bharat is then informed by sources about Mahesh Sudhir, one of the Kohlis also referred to as Don henchman. He goes to arrest Mahesh at his house where Mahesh stays with his mother and sister. There Bharat has a confrontation with Prabha Aparna Sen, who is a family friend. Aparna stays as a lodger with a kindhearted old gentleman, George Fernandes David. Mahesh goes to Prabhas room at night and tries to get her to take a letter to his mother which will be collected by Kohlis men. Prabha refuses saying she wont be party to any of Maheshs wrongdoings. The conversation is overheard by Bharat and his team, who arrest Mahesh as soon as he leaves the premises.Bharat has Kohli arrested but has to let him go when Kohli suffers a minor heart attack and is rushed to hospital. Bharat decides to work undercover, and working covertly in tandem with the Police Commissioner, he officially resigns from the police force. The town people side with the Donpolitician and refuse to help Bharat now that hes no longer a police officer. Looking for accommodation, he reaches Fernandes house where Prabha stays as a lodger. The honest Fernandes and Prabha are soon won over to Bharats side and he starts staying there as a lodger. ........

Source: Wikipedia