Maharatna PSU
Public Sector Undertakings (PSU) in India are government-owned entities in which at least 51% of stake is under the ownership of the Government of India or state governments. These types of firms can also be a joint venture of multiple PSUs. These entities perform commercial functions on behalf of the government. Depending on the level of government ownership, PSUs are officially classified into two categories: Central Public Sector Undertakings (CPSUs), owned by the central government or other CPSUs; and State Public Sector Undertakings (SPSUs), owned by state governments. CPSU and SPSU is further classified into Strategic Sector and Non-Strategic Sector. Depending on their financial performance and progress, CPSUs are granted the status of Maharatna, Navaratna, and Miniratna.