Ashwin's double act of hundred and six-for secures 1-0 lead for India
India 376 (Ashwin 113, Jadeja 86, Mahmud 5-83) and 287 for 4 dec (Gill 119*, Pant 109, Mehidy 2-103) beat Bangladesh 149 (Shakib 32, Bumrah 4-50, Jadeja 2-19) and 234 (Shanto 82, Ashwin 6-88, Jadeja 3-58) by 280 runs R Ashwin completed his fourth double of a hundred and a five-for in the same Test - and his second in successive Tests at Chepauk - to take India to a 1-0 series lead against Bangladesh on the fourth morning in Chennai.