India, May 22 -- The Central Bureau of Investigation (CBI) on Thursday questioned key accused in the alleged NEET-UG paper leak case together at its Pune office as part of efforts to uncover the wider network involved in the racket, sources said.

According to a CBI source, a team from Delhi brought accused Dhananjay Lokhande to Pune, where he had earlier been taken into custody. He was questioned alongside Manisha Waghmare, a beautician, and Manisha Mandhare, a suspended biology professor. The trio was last week arrested by the agency for their alleged role in the paper leak case.

The probe agency also called some students to get information about their alleged association with arrested accused.

Sources said investigators are trying to...