"Fear has vanished from the minds of people today. Before 2005 people were afraid of criminals but now criminals are afraid of law," Kumar said in his inaugural speech to mark Bihar Police Week.
The NDA government headed by Kumar had assumed power in November 2005 ending 15-year rule of RJD of Lalu Prasad.
In the past seven years, more than 79,000 criminals have been given punishment through speedy trial, the CM said, adding the rule of law has been established "with a great difficulty."
"Concrete steps have been taken in this direction now," the CM said.
National Police Science conference will be held in Patna on February 27. Union Home Minister Sushilkumar Shinde will inaugurate the meet, he said.