Gunaa is a 1991 Tamil romantic drama film directed by Santhana Bharathi and written by Sab John. The film stars Kamal Haasan, newcomer Roshini in lead roles with Rekha, S. P. Balasubramaniam, Girish Karnad, Ajay Rathnam, Janagaraj, and Sharat Saxena playing supporting roles. The story is about a mentally challenged man who assumes a fictitious…