On the contrary - the far-right in the US will vote for him resoundingly, providing he promises to silence the terrorists forever. Plus he has already a proven track record of turning around an economy from weak to strong. America needs that just now - dollar falling, falling, falling...ooops there it goes all the way down- worth nothing(!) now.
And the large, perpetually whining, exploitative, anti-modi, muslim-lobby (with their burques and all, and half-dozen babies under their arms) in the US ain't going to keep modi from travelling anywhere he wants to for long.