The Mayurbhanj district session judge Pramod Kumar Jena convicted Pradip Dehury (27) under relevant sections of IPC and POCSO Act.
Dehury had differences with his wife following which she fled to her paternal home in village Dolipada.
On February 14, 2013, Pradip allegedly threatened to kill his wife and in-laws. Next day, his wife's 10-year-old sister Kandhei Badhei did not return home after she had gone to the forest for collecting sal leaves. On February 17, her mother lodged a complaint with Sarat police station that she was missing.
Following the disclosure, the culprit was booked under charges of rape and murder by the Sarat police.
Later, he was taken to the forest by the police to locate the decomposed body of the minor. The weapon used in the murder along with the body were seized by the police.
The District Sessions Judge Jena also imposed a fine of Rs 28,000 on him.