Patna/IBNS: A case has been filed against Jan Suraaj chief Prashant Kishor, some of his party leaders, a number of coaching centre owners and 700 unknown protesters over a massive students' protest in Bihar on Sunday, media reports said.

Police said the Jan Suraaj party held a protest march without permission.

"Despite repeated requests by the administration, these people violated the guidelines of the administration and disrupted public order," the police said as quoted by NDTV.

Police resorted to lathi-charge and used water cannons to disperse thousands of Bihar Public Service Commission (BPSC) aspirants who were protesting at Gandhi Maidan in Patna city to demand a re-examination of the 70th BPSC preliminary exams amid allegations of question paper leak.

They are seeking a cancellation of the 70th Integrated Combined Competitive (Preliminary) Examination (CCE), 2024.

The demonstrating aspirants, who were firm on meeting state CM Nitish Kumar, reportedly tried to break the police barricade when cops lathi-charged them.

Security was beefed up close to Hotel Maurya in the city to contain the protesters.

The protests have been happening in the Bihar capital since the prelim exam was conducted on December 13.

"I must say that irregularities and paper leaks have now become the norm as far as BPSC exams are concerned. It can't go on like this... We have to find a solution," Kishor, an election strategist-turned-politician said as by India Today.