Sumangali is a 1971 Indian Malayalam film, directed by MK Ramu and produced by PS Veerappa. The film stars Sheela, Prasad, Kamalam and Sankaradi in lead roles. The film had musical score by R. K. Shekhar.
Savithri (Sheela) is the only daughter of Govindan (T.S.Muthiah) who is employed in the tea estates owned by Madhavan Thampi (Satyan). One day Madhavan Thampi spots Savithri singing near the stream and is attracted towards her. Raghavan (Govindankutty) is the local leader of the labourers. Rajan (K.P.Ummer), another leader of the estate workers is involved in a criminal case framed against him by the estate owners and the police is in search of him. Rajan gets refuge in Savithri's house through Raghavan. Love blooms between Savithri and Rajan. One day Madhavan Thampi happens to see Rajan in his hideout. Savithri fears that Thampi may report it to the police. Her friend Thankamma (Jayabharathi) advises her to approach Thampi and plead with him to not report to the police. Accordingly Savithri reaches Thampi's bungalow and is raped by him. Thampi then informs the police and Rajan is arrested.