What is psu

Hey

A state-owned enterprise in India is called a Public Sector Undertaking (PSU) or a Public Sector Enterprise. These companies are owned by the union government of India, or one of the many state or territorial governments, or both. The company stockneeds to be majority-owned by the government to be a PSU. PSUs may be classified as Central Public Sector Enterprises (CPSEs), public sector banks (PSBs) or State Level Public Enterprises (SLPEs).

CPSEs are companies in which the direct holding of the Central Government or other CPSEs is 51% or more. They are administered by the Ministry of Heavy Industries and Public Enterprises.

As on 13 September 2017 there are 8 Maharatnas, 16 Navratnas and 74 Miniratnas.[13]There are nearly 300 CPSEs(central public sector enterprises) in total.[14]

List of Maharatna

Bharat Petroleum Corporation Limited(BPCL)[15]
National Thermal Power Corporation(NTPC)
Oil and Natural Gas Corporation(ONGC)
Steel Authority of India Limited(SAIL)
Bharat Heavy Electricals Limited(BHEL)
Indian Oil Corporation Limited(IOCL)
Coal India Limited(CIL)
Gas Authority of India Limited(GAIL)

List of Navratna

Bharat Electronics Limited (BEL)
Container Corporation of India (CONCOR)
Engineers India Limited (EIL)
Hindustan Aeronautics Limited (HAL)
Hindustan Petroleum Corporation Limited(HPCL)
Mahanagar Telephone Nigam Limited(MTNL)
National Aluminium Company (NALCO)
National Buildings Construction Corporation (NBCC)
National Mineral Development Corporation(NMDC)
Neyveli Lignite Corporation
Oil India Limited (OIL)
Power Finance Corporation
Power Grid Corporation of India Limited
Rashtriya Ispat Nigam Limited
Rural Electrification Corporation
Shipping Corporation of India (SCI)
List of Miniratna-I

Airports Authority of India (AAI)
Antrix Corporation
Balmer Lawrie
Bharat Coking Coal Limited
Bharat Dynamics Limited
Bharat Earth Movers
Bharat Sanchar Nigam Limited (BSNL)
Bridge and Roof
Central Warehousing Corporation
Central Coalfields Limited
Chennai Petroleum Corporation
Cochin Shipyard
Dredging Corporation of India
Educational Consultants India
Kamarajar Port
Garden Reach Shipbuilders & Engineers
Goa Shipyard
Hindustan Copper
HLL Lifecare
Hindustan newsprint
Hindustan Paper
Housing and Urban Development Corporation
HSCC
India Tourism Development Corporation
India Trade Promotion Organisation
Indian Rare Earths
Indian Railway Catering and Tourism Corporation
Indian Renewable Energy Development Agency
Ircon International
Kudremukh Iron Ore Company
Mazagaon Dock Limited
Mahanadi Coalfields
MOIL
Mangalore Refinery and Petrochemicals Limited
Mishra Dhatu Nigam
MMTC Ltd.
MSTC Ltd.
National Fertilizers
National Small Industries Corporation Limited
National Seeds Corporation
NHPC Ltd.
Northern Coalfields
North Eastern Electric Power Corporation Limited
Numaligarh Refinery
ONGC Videsh
Pawan Hans
Projects and Development India Limited
RailTel Corporation of India
Rail Vikas Nigam Limited
Rashtriya Chemicals & Fertilizers
RITES
SJVN Ltd.
Security Printing and Minting Corporation of India
South Eastern Coalfields
State Trading Corporation of India
Telecommunications Consultants India
THDC Ltd.
Western Coalfields
Water and Power Consultancy Services
List of Miniratna-II

Artificial Limbs Manufacturing Corporation of India
Bharat Pumps & Compressors
Broadcast Engineering Consultants India
Central Mine Planning and Design Institute
Central Railside Warehouse Company
Engineering Projects
FCI Aravali Gypsum and Minerals (India) Limited
Ferro Scrap Nigam Limited
HMT (International) Ltd.
Indian Medicines & Pharmaceuticals Corporation Limited
MECON
Mineral Exploration Corporation Limited
National Film Development Corporation of India
PEC Ltd.
Rajasthan Electronics & Instruments Limited