India, May 15 -- The Central Bureau of Investigation (CBI) has arrested a Pune-based chemistry professor, PV Kulkarni, accusing him of being the key conspirator-or "kingpin"-in the alleged NEET-UG paper leak case that has impacted lakhs of aspirants across India.

Officials said Kulkarni, originally from Latur and running private coaching sessions under the name "Raj Coaching Classes," is suspected of having access to sensitive examination material through his alleged involvement with the examination process linked to the National Testing Agency (NTA).

He is accused of exploiting this access to leak questions ahead of the exam.

Questions dictated in class just days before exam

According to investigators, Kulkarni conducted a private se...