Australia U19s fought back into the youth Test against India after a stunning century from 13-year-old Vaibhav Suryavanshi. India were bowled out for 296 in Chennai before Australia reached 110-4 with a lead of 107 runs at stumps on day two. Vishwa Ramkumar took four wickets for the tourists, with Simon Budge and Christian Howe playing out to the close.