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1) PSU: Public Sector Undertaking

The full form of PSU is Public Sector Undertaking. In India, Public Sector Undertakings (PSUs) are companies in which the majority of the shares (51% or more) belong to the government (central government or state government or partially to the central government and partially to the state government). The PSUs are created by the government to carry out commercial projects under its own banner. These state-owned companies are less concerned with profit and more focused on building the nation and improving the economy of the country. The Comptroller and Auditor General of India (CAG) audits all PSUs. It has the authority to appoint the Auditor and instruct him to follow the right audit process to audit the PSU accounts.

Some of the popular PSUs of India

• Bharat Electronics Limited (BEL)
• National Thermal Power Corporation (NTPC)
• State Bank of India (SBI)
• Oil and Natural Gas Corporation (ONGC)
• Food Corporation of India (FCI)
• Steel Authority of India Limited (SAIL)
• Bharat Heavy Electricals Limited (BHEL)
• Indian Oil Corporation Limited (IOCL)
• Mahanagar Telephone Nigam Limited (MTNL)
• Bharat Sanchar Nigam Limited (BSNL)
• Hindustan Petroleum Corporation Limited (HPCL)
• Coal India Limited (CIL)
• Hindustan Aeronautics Limited (HAL)
• Gas Authority of India Limited (GAIL)
• Oil India Limited (OIL)
• Bharat Petroleum Corporation Limited (BPCL)
• Power Grid Corporation of India (POWERGRID)

2) PSU: Power Supply Unit

In the computer, PSU stands for Power Supply Unit. It is a hardware component of a computer that provides optimal power to the internal components of the computer. A power supply unit (PSU) converts the main AC into regulated low-voltage DC power for the internal components of a computer. The power supply also regulates the voltage to protect the computer from high voltage fluctuations. Most modern power supplies for desktop personal computers comply with the ATX specification. These power supplies are turned on and off using a signal from the motherboard.

Other full forms of PSU