An investigation is now on to confirm whether visually challenged girl inmates of the institute's hostel were also harassed by the named warden.
Police said that the 35-year-old accused, Prashant Kumar, was the warden of Rajasthan Netraheen Kalyan Sansthan run by an NGO.
"The girl, whom Kumar approached for sexual favours, used to go to the institute with her mother, who works as a sanitation worker," police said.
Kumar asked another visually-challenged girl inmate to ask the girl if she would like to have physical relationship with him.
"The incident occurred a few days ago. However, institute authorities lodged a complaint against Kumar yesterday (Saturday) evening. We arrested him today (Sunday)," said the officer.
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