Solution:The rank of above drivers at the Indian Grand Prix 2011, held in October 2011, on Buddha International Circuit is as follows-1. Sebastian Vettel (First)
2. Jenson Button (Second)
3. Fernando Alonso (Third)
4. Mark Webber (Fourth)
The winner of the Airtel Indian Grand Prix held in October 2012 is also German driver Sebastian Vettel of Red Bull Renault.
1. Sebastian Vettel (First)
2. Nico Rosberg (Second)
3. Romain Grosjean (Third)
4. Felipe Massa (Fourth)