1. Airports’ Authority of India
2. Bharat Sanchar Nigam Ltd. (Both Calcutta Telephones & W B Circle)
3. Damodar Valley Corporation
4. ESI Corporation of India
5. Food Corporation of India
6. ITD ITD CEM(JV)
7. Jet Airways (I) Ltd.
8. Reserve Bank of India
9. Saha Institute of Nuclear Physics
10. Steel Authority of India Ltd.
11. The Bengal Income Tax Co-operative Society Ltd.
12. WBHS 2008 ( West Bengal Govt. Health Scheme)

List Of Third Party Administrators

1. TTK HEALTH CARE SERVICES
2. UNITED HEALTH CARE (INDIA)PVT. LTD.
3. E-MEDITEK SOLUTIONS LTD.
4. VIPUL MEDCORP TPA PVT LTD
5. RAKSHA TPA SERVICES PVT. LTD
6. DEDICATED HEALTH SERVICES (I) PVT. LTD
7. CHOLAMANDALAM MS GENERAL INSURANCE
8. APOLLO DKV
9. ICICI LOMBARD GENERAL INSURANCE COMPANY LTD.
10. PAREKH HEALTH MANAGEMENT
11. ALANKIT HEALTHCARE LIMITED
12. FAMILY HEALTH PLAN LIMITED
13. ROTHSHIELD HEALTHCARE (TPA) SERVICES LIMITED
14. HEALTH INDIA TPA SERVICES PVT. LTD.
15. ICICI PRUDENTIAL LIFE INSURANCE CO. LTD.
16. MEDSAVE HEALTH CARE
17. MEDICARE TPA SERVICES PVT LTD.
18. HERITAGE HEALTH SERVICES PVT LTD.
19. GENINS INDIA LIMITED
20. PARAMOUNT HEALTH SERVICES PVT LTD.
21. MEDI ASSIST INDIA PVT LTD
22. MD INDIA HEALTH CARE PVT LTD