Principal Siyaram Mali was arrested from the school yesterday evening, ACB DSP (Bundi) Tarun Kant Somani said today.
The accused, who holds the additional charge of Dr Bheem Rao Ambedkar Girls' Residential School at Hinge village in Sangod tehsil of the district, had allegedly demanded a bribe of Rs 1 lakh from the contractor for extending the time period of manpower supply contract to the girls' school, he said.
The proprietor of the placement agency had lodged a complaint with ACB in this connection on October 13, the DSP said, adding that after verification of the complaint, the ACB sleuths on Saturday asked the proprietor to pay the rest of the bribe amount.
The principal was caught red-handed while accepting Rs 50,000 from the contractor.
The principal was today produced before the ACB court which sent him to custody, Somani said, adding the bribe amount of Rs 1 lakh has been recovered from the accused.