Lewis Hamilton snatched the World Championship lead from teammate Nico Rosberg after a dramatic Singapore GP on Sunday that saw the latter's race end due to an electronic problem. The win, Hamilton's seventh of the season, took him a slender three points clear of his Mercedes teammate.


Narain Karthikeyan 

The fierce rivalry between the two teammates has only added to the drama this F1 season. It came to came to the boil when they collided at the Belgium GP.
However, India's first F1 driver, Narain Karthikeyan, says the rivalry is making the sport more enjoyable for fans.