New Delhi, July 24 -- Before and after 1991, the way we think about certain phenomena has dramatically changed. 'Household consumption' is a phenomenon that went from being whipping boy to valued driver of economic growth and foreign direct investment.

migration by Indians is another. It has gone from the despair of 'brain drain' to the delight of 'diaspora,' and those who migrated have gone from being seen as deserters of the motherland to global ambassadors of brand India.

'Diaspora,' a word that is infused with positive meaning, represents our pride and joy at our visible presence in the world, especially the developed world.

The fact that Indians get more H1-B visas than almost everyone else in the world is seen as a badge of honou...