Anveshana (2002)

Prabhakar mysteriously dies after walking on a train track. His brother, Vamsy, suspected that his death is not a suicide, but a planned murder. Vamsy falls in love with Bhavana and they subsequently marry as their horoscope matches. They later find letters addressed to Prabhakar telling him to come to the forest or face consequences. The rest of the story is how Vamsy and Bhavana figure out the truth behind Prabhakar's death.