The jawan, identified as Sunil Kumar of Mohammadpur village of the district, yesterday forcibly entered the house of Ravinder Yadav in the village and sexually harassed his wife while he had gone outside for some work, they said.
However, hearing her cries for help, the woman's in-laws came to her rescue immediately following which the Army jawan fled from the spot.
The accused also threatened them of dire consequences if they revealed the incident to anyone, police said.
A case has been registered against the absconding accused while the further probes are on, they added.