K Ravinder Reddy, the special Judge for NIA cases and Fourth Additional Metropolitan Sessions Judge, tendered his resignation yesterday citing "personal reasons", hours after pronouncing the verdict in the 2007 case.
The enhanced security arrangements will be in place for some time, he said.
"...there is no specific alert, but following the verdict, security has been stepped up around his house since yesterday itself," the official said.
The official declined to divulge any detail on how many personnel were deployed for his security.
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