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What is BMI ?

What is difference between Prepaid and Postpaid ?

What is power button symbol? History behind it's logo design

What are four coloured dots on Newspaper? What is CMYK?

What are the colored balls hanging on power transmission line cables? What are they called? What is Balisor?

What is SIM ? Why there is a cut on corner of the SIM card ?

Ranks & Insigna (Badge) of Indain Armed Forces

What are Indian Armed Forces?

Why Indian Highway Milestone have colour code?

What are our modern keyboards called ? Why Keys on keyboard are not in alphabetical order ?

What is PAN Card ? Where PAN card is required ?