Indian Grand Prix: Day one in pictures

Narain Karthikeyan keeps an eye on the proceedings from his cockpit during the free practice session.

The Buddh International Circuit sports a lot of gradient changes, as visible through turns 4 and 5.

Karun Chandhok had to come to grips with the dusty track surface in FP1.

Narain in action during the second practice session in the HRT.

Vijay Mallya and Vicky Chandhok share a light moment in the paddock.

Third driver Karun Chandhok handled the testing duties for Team Lotus in FP1.

Pit marshals strike a pose for the camera.

The nose section of Fernando Alonso’s Ferrari rests in the pit garage.

Nico Rosberg of Mercedes GP passes one of the many tricolour spectator stands.

The Force India pitwall was kept busy during the eventful first session.

Pirelli’s intermediate and wet tyres unlikely to come into play this weekend.

Bollywood Movie Ra-One using the Indian GP for promotion.

Mark Webber’s garage floor being wiped spanking-clean right after he left the garage.

A Red Bull team member dusts the pit spot to ensure a clean getaway.

Force India team ready to wheel Paul Di Resta back into the garage.

Narain Karthikeyan leaves the HRT pit garage for his first lap of the Buddh Circuit.

McLaren’s Lewis Hamilton topped the charts in FP1 only to be handed a three-place grid penalty for setting his quickest time under yellow flags.

Massa topped the second practice session for Ferrari, the first time he led a session after Silverstone earlier in the season.

A distinct racing line appears at the end of the day with the circuit being rubbered-in through the day.