Hey,

PSU stands for Public sector undertakings in India.

These are state-owned enterprises in India. And these companies are owned by the Union Government of India, or one of the many state or territorial governments, or both.

Today there are around 50 PSU’s which use GATE scores to recruit graduate engineers.

To know more about PSU you can refer below link-

https://engineering.careers360.com/articles/psu-recruitment-through-gate#ampshare=https://engineering.careers360.com/articles/psu-recruitment-through-gate

Hope it helps!