Karun Nair smashed an unbeaten 303 on Day 4 to become the second Indian to score a triple Test ton After Virender Sehwag.
The Karnataka batsman, who was playing his first Test series, now the second Indian to score a triple century in Test.
The Karnataka batsman, who was playing his first Test series and only the third match in the longer format of the game, punished England bowlers as India amassed 759 runs to take a 282-run lead against Alastair Cook-led side.
While Karun to score a triple ton, KL Rahul, missed out on a double ton on Sunday
The 25-year-old made sure he did not miss out on a golden opportunity to engrave his name in the history books with a magnificent knock at Chepauk.