New Delhi, Dec 20 (ANI): The Union Home Ministry has issued fresh guidelines to schools across the country over security measures, days after militants in Peshawar killed 132 innocent school children. The fresh Standard Operating Procedures (SOPs) for schools issued by the MHA has advisory such as concrete boundary walls with at least three to four gates and three telephone lines at the main gate. The SOP also says that telephone number of nearest police station and PCR van should be displayed prominently in schools. It also emphasized on giving importance to CCTV cameras and alarm system.