| Company | Timeline | Status | |
| Tata Petrodyne Limited Director • None | 1 Apr 2012←1 Year 1 Month→13 May 2013 | Active | |
| Tata Chemicals Magadi Limited Director • Director | 8 Feb 2006←8 Months→16 Oct 2006 | Active | |
| Brunner Mond Group Limited Director • Director | 22 Dec 2005←11 Months→8 Dec 2006 | Active | |
