what are the abbreviations of ASI BCCI CBI DVD ECG FIR ISO LASER MNC NSA OK PIN RDX STD TRAI USP WWW ZSI

I am answering a few of these questions. Please do not ask for so many things in one question.

BCCI: ​Board of Control for Cricket in India

CBI: Central Bureau of Investigation.

FIR: First Information Report.

MNC: Multi National Corporation.

TRAI: Telecom Regulatory Authority of India