He also played for Kolkata Knight Riders from 2011 to 2013, winning the 2012 Indian Premier League and, in 2014, for Kings XI Punjab.

After his retirement from all forms of cricket in 2016, he served as the bowling coach of the Knight Riders in 2017 and the Super Kings from 2018 to 2022.

[3] After making his debut for Tamil Nadu during the 2001–02 Ranji Trophy, Balaji was selected for the Indian national cricket team in 2002.

[9] He was part of the Indian team that finished as runners-up in the 2004 Asia Cup but took just three wickets from four matches.

[13] Balaji made his return to cricket in 2007 and after a strong 2008-09 domestic season where helped Tamil Nadu reach the Ranji Trophy semifinals, he was called up to the Indian ODI squad in January 2009.

[18] On 29 March 2008, Balaji was signed by Chennai Super Kings (CSK) to play in the inaugural edition of the Indian Premier League.

[22] He won the 2012 Indian Premier League title with Knight Riders, defeating his former team Super Kings in the finals.

[26] In his final season of the IPL, he played for Kings XI Punjab, taking 12 wickets in nine matches.

[22] After his retirement from all forms of cricket in 2016, he was appointed as bowling coach and mentor by Kolkata Knight Riders for the 2017 Indian Premier League season.

[29] He resigned from the post in 2022, citing personal reasons, but continued to work for the Super Kings Academy.