Nair Saab
Nair Saab is a 1989 Indian Malayalam language  action thriller film written by Dennis Joseph, directed by Joshiy and produced by Liberty Productions. It stars Mammootty, Suresh Gopi, Mukesh and Geetha. The film was released on the occasion of Onam. Plot 
A new batch of trainees arrives at the army training center (SAT) situated near the border in Kashmir. Their trainer is Major Nair, who is a man known for his hard-and-fast training strategies. The  movie is treated with humour arising from the intense training of the guys. But, things take a U-turn when the underworld led by Kumar buys out two guys from the batch and uses them for importing drugs from the neighboring country, which is hinted as Pakistan (though never mentioned in the movie). In the turn of events, one trainee, Antony is killed by the hands of underworld, while the blame falls on the trainer, Nair. Everybody turns against Nair and he has to flee, only to come back later. The plot thickens as well with the arrival of a smuggler and partner of Kumar, James as the new trainer, Major Nambiar for SAT with the intention to sell the ammunition stored there, which is worth millions, to the enemy state. Nair intervenes at the right time and with the help of his students, spoils all the evil plans of the traitors. 