[2] Gurunath is on the board of eight different companies including India Cements Limited the owners of the Chennai Super Kings Indian Premier League franchise through Chennai Super Kings Cricket Ltd (CSKCL) holding company.
[8][4] The Tamil Nadu cricket team enjoyed considerable success during her tenure, winning back-to-back Syed Mushtaq Ali T20 Trophies in 2021 and 2021.
In June 2021, Gurunath was found guilty of 'conflict of interest' by the BCCI ethics officer, retired Justice D. K. Jain due to her also serving as a "whole-time director and promoter of ICL India Cements Limited", the owners of the Chennai Super Kings IPL franchise.
[9] Gurunath resigned as the president of the TNCA in December 2021, citing an intention to "focus on business and personal commitments.
Rupa is married to Gurunath Meiyappan, a former Chennai Super Kings official and member of the AVM family, who was banned for life from any involvement in cricket for his role in the 2013 IPL betting scandal by the Lodha Committee.