With new regulations governing Formula One this season, four-time world champion Sebastian Vettel could well be dethroned by Mercedes' Lewis Hamilton, says India's India's first F1 driver Narain Karthikeyan.


India's first F1 driver Narain Karthikeyan during a press conference at a city hotel yesterday. Pic/Bipin Kokate 

"This will be a tough year for everyone. There are many good drivers on the grid but Hamilton looks good. Mercedes is ahead of everyone else this season and they will try to maintain that advantage (Mercedes are second on the table with 25 points).