Watch on Soap2day. Kausthubham is a 2010 Malayalam-language movie by Sajeev Kilikulam starring Karthika and Vijayaraghavan. The film is the story of Yamuna whose life is filled with worries and sorrows. Her husband is sent to jail on a false count of murder. Her three-year-old son gets lost during a temple festival and that increases her problems. She prays to Lord Krishna and once the lord appears miraculous things take place.