Kaadu is a 1973 Indian Malayalam film, directed by P. Subramaniam. The film stars Madhu, Thikkurissi Sukumaran Nair, Shanthi and Anandan in lead roles. The film had musical score by Vedpal Verma.
Kochappi (Muthiah) is the neighbor of Kuncheria (Kottarakara Sreedharan Nair), a bullock cart owner. Kochappi is a ferry owner and his son Anthony (Satyan) is in love with Kuncheria's daughter Rahel (Sharada). Their parents decide to get them married according to the wish of Rahel and Anthony. Chandy (Thikkurissi Sukumaran Nair) is a rich landlord of the village and his son Rajan (Prem Nazir) returns to his village after doing his studies abroad. Rajan gets attracted to Rahel and approach her parents to express the interest to marry her. In fact Rajan was unaware of Rahel's relationship with Anthony. Chandy refuses Rajan's proposal only because Rahel is poor, but finally agreed with his sons wish. Rahel's greedy parents agrees with Rajan's proposal forgetting the promise they have made to Anothony's parent. This decision creates enmity between both families, who were once good neighbors. Rahel is helpless and unable to object. Anthony falls ill and dies on the day of Rahel's marriage with Rajan. Unable to bear the grief she faints and dies after a few days. Rahel is cremated near the grave of Anthony.