CHANDIGARH, December 23: Punjab and UP Police : In a major breakthrough, Punjab Police collaborated with Uttar Pradesh (UP) Police. They conducted a joint operation against Pakistan-ISI’s sponsored Khalistan Zindabad Force (KZF) terror module. This operation led to a meeting with three module members. The module members attacked a Police establishment in Gurdaspur with a grenade. Director General of Police (DGP) Punjab Gaurav Yadav mentioned this here on Monday.