Narain Karthikeyan totally committed to A1

Narain Karthikeyan has carried India's Formula 1 dreams on his shoulders ever since he made it to the circuit in 2005. So, one would imagine that winning a race at the A1 Grand Prix wouldn't rank as one of the biggest wins of his career.But that victory in China last week has helped him answer those critics who challenged his status as the fastest Indian on wheels.