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Bharat Heavy Electricals Limited |
 |
Electronics Corporation of (I) Ltd .,
|
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Visakhapatnam Steel Plant |
 |
Hindustan Machine Tools Limited
|
|
Steel Authority of India Limited |
 |
Singareni Colleries Co. Ltd .,
|
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National Thermal Power Corpn.Ltd .
|
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Hindustan Zinc Limited |
 |
Cochin Shipyard Limited |
 |
Coal India Limited |
|
C.V.R.D.E .,
|
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Southern Railways |
|
Bharat Petroleum Corporation Ltd.,
|
|
Central Ordinance Dept.
|
|
Hindustan Petroleum Corporation Ltd
|
 |
Bharat Refractories Ltd .
|
| |
Ordanance Equipment Factory
|
 |
Indian Oil Corporation Ltd . |
| |
|
 |
Indian Oil Corporation Ltd . |
|
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