List of Mahratna, Navratna and Mini ratna company in Year 2012

Hi Friend,
    Pl. find the list of Maharatna, Navratna and Miniratna companies under PSU(Public Service Unit). 
This article taken source from http://dpe.nic.in/publications/list_of_maharatna_navratna-and_miniratna.The

Company under goverment categorised in there Maharatna, Navratna and Miniratna depend upon Turnover per year, net profit and investments.
List of Maharatna, Navratna and Miniratna Companies of India :-
List of Maharatna, Navratna and Miniratna CPSEs, as per available information (as on May 2012).

Maharatna CPSEs :-

1. Coal India Limited
2. Indian Oil Corporation Limited
3. NTPC Limited
4. Oil & Natural Gas Corporation Limited
5. Steel Authority of India Limited

  Navratna CPSEs:-

1. Bharat Electronics Limited
2. Bharat Heavy Electrical Limited
3. Bharat Petroleum Corporation Limited
4. GAIL (India) Limited
5. Hindustan Aeronautics Limited
6. Hindustan Petroleum Corporation Limited
7. Mahanagar Telephone Nigam Limited
8. National Aluminium Company Limited
9. NMDC Limited
10. Neyveli Lignite Corporation Limited
11. Oil India Limited
12. Power Finance Corporation Limited
13. Power Grid Corporation of India Limited
14. Rashtriya Ispat Nigam Limited
15. Rural Electrification Corporation Limited
16. Shipping Corporation of India Limited

Miniratna Category - I CPSEs :-

1.  Airports Authority of India
2.  Balmer Lawrie & Co. Limited
3.  Bharat Dynamics Limited
4.  BEML Limited
5.  Bharat Sanchar Nigam Limited
6.  Bridge & Roof Company (India) Limited
7.  Central Warehousing Corporation
8.  Central Coalfields Limited
9.  Chennai Petroleum Corporation Limited
10.  Cochin Shipyard Limited
11. Container Corporation of India Limited
12. Dredging Corporation of India Limited
13. Engineers India Limited
14. Ennore Port Limited
15. Garden Reach Shipbuilders & Engineers Limited
16. Goa Shipyard Limited
17. Hindustan Copper Limited
18. HLL Lifecare Limited
19. Hindustan Newsprint Limited
20. Hindustan Paper Corporation Limited
21. Housing & Urban Development Corporation Limited
22. India Tourism Development Corporation Limited
23. Indian Railway Catering & Tourism Corporation Limited
24. IRCON International Limited
25. KIOCL Limited
26. Mazagaon Dock Limited
27. Mahanadi Coalfields Limited
28. Manganese Ore (India) Limited
29. Mangalore Refinery & Petrochemical Limited
30. Mishra Dhatu Nigam Limited
31. MMTC Limited
32. MSTC Limited
33. National Fertilizers Limited
34. National Seeds Corporation Limited
35. NHPC Limited
36. Northern Coalfields Limited
37. Numaligarh Refinery Limited
38. Pawan Hans Helicopters Limited
39. Rashtriya Chemicals & Fertilizers Limited
40. RITES Limited
41. SJVN Limited
42. Security Printing and Minting Corporation of India Limited
43. South Eastern Coalfields Limited
44. State Trading Corporation of India Limited
45. Telecommunications Consultants India Limited
46. THDC India Limited
47. Western Coalfields Limited
48. WAPCOS Limited
49. Bharat Pumps & Compressors Limited
50. Broadcast Engineering Consultants (I) Limited
51. Central Mine Planning & Design Institute Limited
52. Ed.CIL (India) Limited

 Miniratna Category-II CPSEs :-

 53. Engineering Projects (India) Limited
54. Ferro Scrap Nigam Limited
55. HMT (International) Limited
56. HSCC (India) Limited
57. India Trade Promotion Organisation
58. Indian Medicines & Pharmaceuticals Corporation Limited
59. M E C O N Limited
60. National Film Development Corporation Limited
61. National Small Industries Corporation Limited
62. P E C Limited
63. Rajasthan Electronics & Instruments
64.M E C O N Limited

65.National Film Development Corporation Limited
66.National Small Industries Corporation Limited
67.P E C Limited
68.Rajasthan Electronics & Instruments Limited