Ramanujan was also mentioned in "Good Will Hunting". However I do agree that Indians have done a bad in terms of Marketing our selves. Our brand image over some time has been: Some time Back: Snake Charmers and Kings Now: Bangalore(Outsourcing) & Spicy Food
"Snake Charmers" is not a brand image "We" wanted nor created. It is the product of ignorant western minds. Compared to other eastern cultures (chinese and japanese at least) India has suffered from mis-understanding and underwhelming understanding for a long time. You only have to read English literature on India from 18 and 19th century to realize the extent of misinformation generated by the British to legitimise…
(The same applies to what new arrivals in the Americas were not prepared to see in the 'Indians' of the Americas. Before knowledge we can only see with the eyes our culture gives us.)