India captain Virat Kohli won the toss and opted to bat in the second match of their four-test series against Australia at the M Chinnaswamy Stadium today.Australia have named an unchanged XI, while India have brought in Abhinav Mukund and Karun Nair. Abhinav makes a comeback to the Test side after five-and-a-half years, replacing Murali Vijay, who has suffered a shoulder injury.Nair, who scored a triple century in his last Test, also gets a chance after India decided to drop Jayant Yadav for an extra batsman.