The Indian team had been relegated to the World Group II after losing 2-3 to Denmark in the World Group Play-Off earlier this year.
Somdev Devvarman and Yuki Bhambri posted straight-set wins in their respective reverse singles as India completed a 5-0 whitewash of Indonesia in the Asia-Oceania Group I Davis Cup relegation play-off tie, in Bangalore on Sunday.
India will host South Korea in a Davis Cup Asia/Oceania Group I first round tie, from February 1-3, 2013. In Tuesday's draw, India was seeded fourth, while Australia got top billing in the eight-team Group 1.
Somdev Devvarman continued his march towards the top-100 mark as he bettered his career-best ranking by gaining five places to reach 116th in the latest ATP list.
India's schedule on Day 4 of the Asian Games on Wednesday, September 27.
India's non-playing captain Mahesh Bhupathi on Wednesday said he will assess Leander Paes at training before deciding on the team composition for their Davis Cup tie against Uzbekistan, starting in less than two days.