Shankar Guru is a 1987 Indian Tamil film, directed by Raja and produced by M. Saravanan and M. Balasubramanian. The film stars Arjun, Seetha, Sasikala and Baby Shalini in lead roles. The film had musical score by Chandra Bose.
When a smuggler kills his sister, a mentally impaired man vows to deliver justice and joins a martial arts school.
Chandran lies to his boss that his mother is unwell to get a leave but gets caught. In order to save his job, he is forced to pretend to his boss that he has a good-for-nothing twin brother.