Diamond in the soil) is a 1986 Indian Tamil-language film directed by Manoj Kumar in his debut and produced by Kovaithambi.

Chittu finds it difficult to adjust to the town's rigid caste hierarchy after being raised with more freedom by her grandmother.

She also clashes with her classmate Mayilsamy, Chinnavar's son, who constantly teases and humiliates her due to her caste.

In the aftermath, Mayilsamy realises his errors and soon falls in love with Chittu, while Periyavar grows closer to Velappa's family.

[8] Jayamanmadhan of Kalki wrote after coming out it gave a feeling of watching an old Bharathiraja film albeit satisfied.

[9] Kovaithambi said the film ran for 50 days in theatres, and though it was not that successful, it gave him the satisfaction of working with Sivaji Ganesan.