The 1986-batch officer replaced S N Shrivastava for the post.
Kaumudi is credited with cracking the famous fodder scam case while serving with the CBI on deputation. He took over from Shrivastava at the group centre of the CRPF at Bantalab, a spokesman of the force said.
The officer has served in the post of superintendent of police in the CBI and also as ADG in the Railways and NIA, he said.
The spokesman said the officer was also posted as ADG in the Bureau of Police Research Development.