NEW DELHI, June 7 -- A Parliamentary panel has asked the National Testing Agency (NTA) to define what constitutes a "paper leak" in its definition and whether any paper leaks have occurred in exams it conducted since 2018, sources said.

The panel's questionnaire follows NTA officials' appearance before it last week, where they contended that there was no paper leak from their system, claiming that some questions from a guess paper were in circulation, sources said.

The Parliamentary Committee for Education, Women, Children, Youth and Sports, headed by Congress member Digvijaya Singh, is investigating the NEET paper leak issue and the CBSE on-screen marking system (OSM) row, having summoned top government officials including those from the...