Kathmandu, 9 September: President Bidya Devi Bhandari has conferred the rank insignia on newly appointed Chief of Army Staff (CoAS), Prabhuram Sharma, today. CoAS Sharma took the oath of office and secrecy amidst a special ceremony held at President's Office, Shital Niwas. Sharma is the 44th CoAS of Nepal Army, the major security agency of the country. Following the oath of office and secrecy he has  formally taken charge of the office CoAS for three year's term from today itself. With the appointment of new CoAS, the three-year term of outgoing CoAS Purna Chandra Thapa expired today. People's News Monitoring Service