IMPORTANT ABBREVIATIONS

O

  1. OAS: Organisation of American States
  2. OAU: Organisation of African Unity
  3. OBC: Other Backward Communities
  4. OBU: Offshore Banking Unit
  5. ODA: Official Development Assistance
  6. ODF: Open Document Format
  7. ODS: Ozone Depletion Substances
  8. OECD: Organisation of Economic Co-operation and Development
  9. OGL: Open General Licence
  10. OIC: Organisation of Islamic Countries
  11. OIGS: On India Government Service
  12. OIL: Oil India Limited
  13. OM: Order of Merit
  14. ONGC: Oil and Natural Gas Commission
  15. OPEC: Organisation of Petroleum Exporting Countries
  16. OSCE: Organisation for Security and Cooperation in Europe
  17. OSD: Officer on Special Duty
  18. OXML: Open Extended Marking Language
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ISSB General Knowledge Questions

Dams, Rivers and Lakes

Important ISSB Preparation Topics

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