India, May 5 -- The Supreme Court on Monday questioned the credibility of a sealed cover Forensic Science Laboratory (FSL) report submitted by the union government on the leaked audio tapes allegedly featuring former Manipur chief minister N Biren Singh and directed the government to submit a "fresh" report.

A bench of Chief Justice of India Sanjiv Khanna and Justice Sanjay Kumar said the Central FSL will need to re-examine the audio files in which Singh is purportedly heard saying that the ethnic violence in the state was instigated at his insistence, and then submit a fresh report.

The bench asked the Solicitor General Tushar Mehta to secure instructions from the union government on getting the Central FSL to "re-examine" the audio ta...