Mohanty was arrested last night.
He was chairman of the Rajasthan Civil Services Appellate Tribunal at the time the FIR was registered. He was suspended by the government and later retired.
"Mohanty surrendered... and was placed under arrest last night," Deputy Commissioner of Jaipur Police (South) Yogesh Dadhich told PTI.
He surrendered before an assistant commissioner of police (ACP).
Mohanty was produced before a court here, which remanded him in two-day police custody.
A case against Mohanty was filed in January, 2014, after the woman accused him of raping her in February, 2013, on the pretext of helping her clear the civil service exam.
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