Kauthankar and Bakle's partnership is second only to 624 runs for the third wicket, achieved by Sri Lankans Kumar Sangakkara and Mahela Jayawardene during a Test match against South Africa in Colombo, SSC in July 2006.
Tanmay's 300 came off just 147 balls with 31 fours and 20 sixes. He broke the record held by South African batter Marco Marais (300 off 191 balls).
'I've played with Bumrah in the IPL and we're good friends. You're not going to back down when you're playing for your country and sometimes on the field things get heated.'
Images from Day 3 of the second Test between South Africa and India, in Johannesburg, on Wednesday.
Images from Day 3 of the third Test between South Africa and India, in Cape Town, on Thursday.
