Selection bias is an important factor to consider why emigrant societies are seen as industrious, innovative and ultimately successful.
If you survived an oppressive homeland government, escaped harsh socio-economic living conditions, bootstrapped yourself (or your family) out of illiteracy, invented creative ways to succeed the stowaway journey, brave the xenophobia of an alien culture, solidified your determination to "stick around" ... chances are you are already in the group that has the top 5% of successful leadership across the world.
Not just Indians - you see this with almost every expat society in different countries.
If you survived an oppressive homeland government, escaped harsh socio-economic living conditions, bootstrapped yourself (or your family) out of illiteracy, invented creative ways to succeed the stowaway journey, brave the xenophobia of an alien culture, solidified your determination to "stick around" ... chances are you are already in the group that has the top 5% of successful leadership across the world.
Not just Indians - you see this with almost every expat society in different countries.