Here is another collection of articles of historical interest which illustrate the economic and cultural strength of India. History has been a mystery in India because of unfilled gaps. It is our duty to discard the incomplete history written by foreign rulers and write our own history. Ten years ago, I wrote six part article to show that India is the richest country in the world. We have lot of domestic reserve of gold. I also showed how much the Bible borrowed from us in words and thoughts. Rig Veda contains many riddles which may contain historical truths. Scholars from different fields have to sit together to solve them.