Mayurbhanj district sessions court judge Pramod Kumar Jena sentenced Astami Mahakud after finding her guilty of the crime.
The court also slapped a penalty of Rs 10,000 on Astami in default of which she would undergo 6 more months of rigorous imprisonment.
Astami and her husband Ratikant Mahakud of Matihudi village were arrested on the charge of killing Shanti Mahakud of the same village on May 12, 2014 in a dispute over landed property.
Astami had invited Shanti to her house and beat her to death. Police seized the stick used in the killing.