1. Ernst & Young
2. PWC
3. KPMG
4. Deloitte
5.Grant Thornton
6. BDO Haribhakti & Co.
7. S S Kothari
8. SARC Associates
9.T R Chadha & Co.
10.Sahni, Natrajan, Bhel
11. S R Dinodia
12.Lodha & Co.
13.Mazars
14.Sahni, Natrajan, Bhel
15. Luthra & Luthra
16.Sighi & Co.
17. S.P. Chopra & Co.
18. BMR Advisors.