Nissanka Wijeyeratne, after leaving university, served for a brief period for the
Ceylon Artillery Volunteers as a (
reservist)
Second Lieutenant and successfully sat the
Ceylon Civil Service (CCS) Examination. Those were the days when only six were recruited in a year to the civil service as compared with the fifty to hundred now recruited annually to the
Ceylon Administrative Service, which replaced the former Ceylon Civil Service. As a member of that Ceylon Civil service, he held several positions including
permanent secretary to the Ministries of Information, Broadcasting, Transport and Cultural Affairs,
Government Agent in
Anuradhapura,
Mannar and
Jaffna and Assistant Government Agent in
Galle. He was also the Chairman of the Anuradhapura Preservation Board. Wijeyeratne retired from the
Sri Lanka Administrative Service in 1973.
National emblem and flag of Sri Lanka The present national
emblem of Sri Lanka was created in 1972 under the ideas and guidance of Nissanka Wijeyeratne. At the time, he was Permanent Secretary to the Ministry of Cultural Affairs and Chairman of the National Emblem and Flag Design Committee.The designer of the emblem was
Venerable Mapalagama Wipulasara Maha Thera and Art Work by S.M Seneviratne. During the same year (1972), four leaves of the
Bo tree were added to the four corners of the
Sri Lankan National flag under the direction of Nissanka Wijeyeratne. Before 1972, the corners of the flag were occupied by symbols depicting spearheads. The four Bo Leaves added by Wijeyeratne reflect the core principles of Mettha (loving kindness), Karuna (compassion), Upeksha (equanimity), and Muditha (happiness). ==Sacred City & new town of Anuradhapura==