Candidates at Kanpur centre alleged irregularities and raised concerns over a possible paper leak, while authorities cited a technical or electrical failure as reason for cancellation.
A bench comprising Chief Justice Surya Kant and Justices Joymalya Bagchi and V Mohana was told by an advocate that re-examination is in violation of an earlier order passed by the top court.
The Maharashtra Public Service Commission has formed an internal high-level committee to suggest preventive and security measures to ensure that such incidents do not repeat, the chairman said.