| Company | Timeline | Status | |
| Ove Arup & Partners Limited Director • Mechanical Services Engineer | 1 Nov 2001←2 Years 5 Months→31 Mar 2004 | Active | |
| Arup Associates Limited Director • Mechanical Services Engineer | 27 Nov 1992←8 Years→31 Oct 2001 | Active | |
| Ove Arup India Holdings Limited Director • Mechanical Services Engineer | 27 Nov 1991←9 Years→19 Nov 2001 | Active | |
