India, April 3 -- Terming West Bengal the "most polarised State", the Supreme Court on Thursday slammed the administration for its "complete failure" and inaction over the "deplorable" gherao and attack on seven judicial officers in Malda district during the electoral rolls revision drive and directed a CBI or NIA probe besides deployment of Central forces in the poll-bound State.

Late on Thursday night, the Election Commission handed over the probe into the gherao of judicial officers to the National Investigation Agency (NIA). A spokesperson of the poll authority said an NIA team would be in the poll-bound State on Friday.

In a scathing indictment, the top court said the incident "also exposes a complete failure of the state administr...