Just a day after becoming the first captain to register a hat-trick of centuries in a three-match series, the Indian skipper scaled yet another milestone when he scored his sixth double century, the highest as a captain.Kohli overtook West Indies great Brian Lara, who held the record previously with five double tons in Tests With a sixth double hundred, Kohli has also tied Sachin Tendulkar and Virender Sehwag for the most 200-plus scores for India in Tests.