Chief Minister Oommen Chandy and Home Minister Ramesh Chennithala today signed the file for suspension of Rahul, a spokesperson at the Home Minister's office said here.
The suspension follows a preliminary departmental probe which found the charge to be prima facie true.
The charge was that Nair, now serving as Malabar Special Police commandant, had accepted Rs 17 lakh bribe from quarry owners when he was SP of Pathanamthitta to reopen closed quarries.