Gautam Gambhir’s sixth Test hundred and second of the tour powered the Indian lead to 531 runs with five wickets intact against New Zealand at stumps on the third day at the Basin Reserve. Despite losing Rahul Dravid (60) and Sachin Tendulkar (9) in the second session, Gambhir and V V S Laxman carried on the onslaught before both fell for 167 and 61 respectively even as bad light stopped play.