Chief, National Ozone Unit  Ministry of Industry, Commerce & Supplies  Nepal Bureau of Standards & Metrology,
Sita Ram Joshi Chief, National Ozone Unit Ministry of Industry, Commerce & Supplies Nepal Bureau of Standards & Metrology, P.O.BOX 985 Kathmandu Nepal Tél : (+977 1) 4356672/356810 Fax : (+977 1) 435 0689 Mél : ozone@ntc.net.np