The hosts need just two more wickets to clinch the series 3-0.
Play called off due to bad light, South Africa 9/2. Earlier India have declared 9-497.
An unbeaten 185-run stand between Rohit and Rahane helped the hosts recover from three early wickets.
Singapore upset defending champions Scotland in last-ball thriller.
Azhar Ali to lead Pakistan in Tests, Babar Azam in Twenty20 International matches.
Bangladesh announce 15-man squad for T20I series against India
India record 11 home series wins in a row after being asked to follow on, South Africa folded for 189 in their second innings
Keshav Maharaj and Vernon Philander added 109 runs for the ninth wicket before India bowled out South Africa for 275.
The Indian skipper struck a career-best 254 not out as India declared their first innings on 601 for five.
Mayank Agarwal departs after his second hundred during India against South Africa on first day of second Test at Pune.