The police took him to Patna AIIMS for a medical examination, news agency PTI reported, citing supporters of Kishor.

The Bihar Police on early Monday detained Jan Suraaj chief Prashant Kishor, who was sitting on an indefinite hunger strike at Gandhi Maidan in Patna, ANI reported.The Jan Suraaj founder has been fast unto death since Thursday to press for the demand for cancellation of the integrated 70th combined (preliminary) competitive test conducted by the Bihar Public Service Commission (BPSC) on December 13.

Kishor made the announcement at the historic Gandhi Maidan in the state capital, three days after giving a "48-hour ultimatum" to the Nitish Kumar government for acting on the demand, raised by aggrieved candidates.

Patna (Bihar): jan-suraaj founder Prashant Kishore sit on the Aamran anshan under the Gandhi statue at Gandhi Maidan in support of BPSC aspirants

Prashant Kishor on Monday had said that he would wait for "48 hours" and if no action is taken then he would intensify the protests.

Political strategist-turned-politician Prashant Kishor began an indefinite hunger strike on Thursday, demanding the cancellation of the Bihar Civil Services (BPSC) examination. The candidates of the examination have been staging protests for over a week seeking the cancellation of the 70th Integrated Combined Competitive (Preliminary) Examination