Ranuva Veeran (1981)

This evocative tale of family, friendship, and patriotism follows the twists and turns in the life of Raghu, a young military officer. After many years of service in the military, he returns to his village and only to know that it is being tyrannised by a violent, terrorist gang led by the mysterious One-Eyed Man. This bold criminal gang daringly murders people in broad daylight, if they refuse to submit to their wishes. The fearless Raghu begins training the innocent locals to fight and defend their rights. Raghu meets Chiranjeevi, his best friend from college and during the course of their meetings comes to know that his friend has opted to become a naxalite, using violent methods to achieve social revolution. Raghu also comes to know that Chiranjeevi married his own sister, forcing her to elope with him and bring his family endless shame. Can Raghu's investigations reveal the true identity of the wily and violent One-Eyed Man? Will Raghu and Chiranjeevi ever manage to end their animosity and become friends once more, or is there a deeper threat that will bring them on collision course once more?