Sanju Samson struck a scintillating century as India beat the Proteas by 61 runs in the first of four T20Is at Kingsmead in Durban on Friday.
India captain Rohit Sharma conceded he needed to better as both a batter and a leader after they were beaten 3-0 in a home Test series against New Zealand.
India have lost a home Test series for the first time in 12 years following a 113-run defeat in their second Test against New Zealand.
New Zealand claimed their first Test victory in India for 36 years when they secured a comfortable eight-wicket win in Bengaluru on Sunday.
India crumpled to their lowest Test total on home soil of 46 all out as New Zealand seized control of the Test series opener in Bengaluru on Thursday.
Gautam Gambhir has been appointed India head coach, succeeding former international team-mate Rahul Dravid.