In 2008, all polls had them at 90% or higher for Obama.
In 2012, they were in the 80%-90% range for Obama.
They are the best educated ethnic group in America, although it's not clear how many have degrees from Asian Indian universities, which are often not accredited by USA corporations.
Just read an article today, I think from Drudge, that states legal Asian Indian immigrants and legal Mexican immigrants were tied at about 125,000 each in 2013.
Legal Chinese immigrants were number one in 2013, about 135,000, if I recall correctly.
Because they really do believe (thanks to relentless Democrat propaganda and Republicans' own stupidity) that:
1) Outside of major cities, the US is populated with white, racist rednecks who want to kill them.
2) Republicans want them all deported, regardless of their legal status.