1. Bhanu Athaiya for Gandhi in 1982 as Costume Designer
2. Satyait Ray for special Award for the contribution to the World Cinema in 1992
3. Resul Pookutty for SlumdogMillionaire in 2009 as Best Sound Mixing
4. A.R.Rahman for SlumdogMillionaire in 2009 as Best Original Score and Best Original Song "Jai Ho..."
Also who can see that up untill now..only three movies have made it to the Best Foreign Language Film category. And those films are Mother India by Mehboob Khan(1957), Salaam Bombay! by Mira Nair(1988) and Lagaan by Ashutosh Gowariker(2001)
Oh..and yes.. Smile Pinki by Megan Mylan (story about a girl with a cleft lip based in India) also won the Oscar for best Documentary Short.