Delhi Chief Minister Arvind Kejriwal also took note of the sting operation and directed the anti-corruption Branch to investigate the matter.

"I have directed our anti-corruption branch to take cognisance and investigate all cases exposed by Aaj Tak," tweeted Kejriwal.

Kejriwal asked the TV channel to provide the copies of the tapes at the earliest.

He also announced that honest policemen would be rewarded as some of the cops shown in the sting operation refused to take bribes.

"We will take strongest possible action against guilty policemen. Will not spare any corrupt. Also, will reward n recognise honest ones (sic)," Kejriwal further tweeted.