An Enemy of the People(1990)

Original title: Ganashatru

Ashoke Gupta is an idealistic doctor working in a town near Calcutta. He discovers that the water at a popular temple is the source of an outbreak of typhoid and hepatitis. In order to save lives, he risks his career to try and call attention to this polluted water source, while a local group of building contractors attempt to discredit him in various ways.