A group of retired civil servants also called upon the PM to reach out to the families of the victims in Unnao and Kathua and "seek their forgiveness on behalf of all of us".
A division bench of justices Biswanath Somadder and A Mukherjee said the government's silence on the permission is 'astonishing and astounding'.
'Today we see the worrisome phenomenon where honest officers who run afoul of the government being chased, hunted down and dirt being dug up on them.'
Counting of votes will take place on May 15.
'These people are not concerned about Hindu, Muslim, Sikh or Christian -- they are only concerned about being in power,' Akhilesh Yadav tells Rediff.com's Archana Masih in his first interview after the election results.
Incidents of arson, firing and vandalism were reported from Madhya Pradesh, Rajasthan, Uttar Pradesh, Bihar and Punjab as protesters agitated against the dilution of the SC/ST Act.