In India, PSUs (Public Sector Undertakings) are either statutory corporations or government-owned corporations, nationalised businesses, or government-owned enterprises. PSU firms control a portion of both the State and the Federal governments. Both the Central and State governments have the option to hold all or a portion of the stake. Most of the time, the Central government owns 51% of PSU firms. PSU hiring occurs frequently in all industries.
The PSU industry is divided into two categories: Central PSUs and State PSUs. However, 
PSU is further divided into three groups based on income yield, namely,

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