Employees of the Security Company in the cash van during questioning said that the style of conversation of the robbers was not different from the police personnel, a senior police official said.
The entire episode was conducted in a perfect police like style managing a naka (post) on the road, SSP Ludhiana (rural) Ravcharan Singh Brar said.
"A breakthrough would soon be made and all the accused would be nabbed along with the booty," Brar added.
The car involved in the robbery has not been traced so far also the gang involved in this robbery have not been identified yet, police said, adding however weapons and mobile phones of the security personnel snatched during the crime have been recovered.
Four persons wearing police uniforms allegedly looted Rs 1.68 crore from a vehicle of a private bank near Nanksar village on the Ludhiana-Ferozepur national highway, about 45 km from here, yesterday.