Abbreviations: I.P.A., I.G.U., I.T.U., I.W.F.

I.G.U. -International Geographical Union.
I.T.U. -International Tele -Communication Union.
I.W.F. -International Weight -lifting Federation.
I.H.F. -International Hockey Federation.
I.F.S. -International Foundation for Science.
I.R.B. -International Resources Bank.
I.C.B. -Investment Corporation of Bangladesh.
I.O.S. -International Organisation for Standardization.
I.R.C. -International Rubber Council.
I.B.E. -International Bureau of Education.
I.P.A. -Ideal Police Area.