Abbreviations U

UDC: Upper Division Clerk
UFO: Unidentified Flying Object
UGC: University Grants Commission
UHF: Ultra High Frequency
UK: United Kingdom
UNDP: United Nations Development Programme
UNEP: United Nations Environmental Programme
UNESCO: United Nations Educational, Scientific and Cultural Organisation
UNHRC: United Nations Human Rights Commission
UNI: United News of India
UNICEF: United Nations International Children's Emergency Fund (now United Nations Children's Fund) 
UNIDO: United Nations Industrial Development Organisation 
UNO: United Nations Organisation 
UPC: Under Postal Certificate 
UPS: Uninterrupted Power Supply 
UPSC: Union Public Service Commission 
UPU: Universal Postal Union
USA: United States of America 
UTI: Unit Trust of India