What happened
Candidates at centres in Jamtara, Chatra and Dhanbad created a ruckus alleging the JPSC prelims question paper was leaked (claiming seals were already open); JPSC, the deputy commissioners and the state government rejected the claim, ruled out any leak, and said action would be taken against those spreading false information.
What was done
Source
Primary reference ETV Bharat ↗ https://www.etvbharat.com/en/!state/jharkhand-alleged-question-paper-leak-of-jpsc-examination-enn24031702642This entry summarises the linked report. Where the summary and the source disagree, the source wins — and please tell us.