Pandu Pandoru Rajakumari is a 1992 Malayalam film directed by Viji Thampi, with Jagadish, Anju, Siddique and Nedumudi Venu.
Traumatized by deaths of her mother and husband, Devu was taken by her father-in-law Balan Nambiar.
One day, Appukuttan Pillai got job as waiter, witnessed an accident and Devu was mentally disturbed.
Appu was actually a music student of her late mother, who knew her for years.
Balan asked him to take care of Devu; soon Appu starts having feelings of childhood love, despite her being a widow.