I sure that all the US dollars being shippied bacck to India by H1-B visa holders is helping that growth.
You’ll like the data in this link. India is indeed the biggest recipient of expatriate remittances in the world since 2008. The consequent strengthening of the USD would have made it more so in 2008-2009. I can’t find the latest data.
http://siteresources.worldbank.org/INTPROSPECTS/Resources/334934-1110315015165/MD_Brief8.pdf