Amidst the ongoing drive to make Punjab a safe and secure state, Commissionerate Police (CP) Amritsar has successfully averted a possible grenade attack on a police establishment in Batala area with the arrest of 10 persons including four key operatives of cross-border terror module being operated by Pak-based Harvinder Rinda and foreign-based Happy Passian, Jeevan Fauji and Jashanpreet Singh alias Lal, said Director General of Police (DGP) Punjab Gaurav Yadav here on Friday.