In a letter to the CID crime branch which is probing the case, the former minister has said he would go for the medical examination on September 28, a police spokesman said.
Earlier in the day, investigating officials interrogated Nagar's four family members and a woman employee working at his residence.
Nagar, who had been served notices thrice by the CID crime branch to report to its office for a medical examination and recording of his statement, had reportedly gone on a pilgrimage, his son told the probe agency.
The Minister of State for Dairy resigned last week following an FIR against him by a woman alleging that he had raped and assaulted her at his official bungalow on September 11 taking her there on the pretext of giving a job.
The 53-year-old Nagar, however, had denied the allegations, saying his political rivals had "framed" him ahead of the Assembly elections.
