Gulfam, son of a Ghaziabad police constable, Ashish an MBA student and Amir were arrested yesterday, SSP B B Singh said.
The trio has confessed to robbing Uttarakhand IAS officer, Subhash Chand on the Delhi-Dehradun highway on July 21, SSP B B Singh said.
Stolen property has been seized from their possession, the SSP said.