Hello Mahesh, we cannot judge for a single rank because through gate passing score, one can be eligible for number of PSU's. There are Miniratnas, Maharatnas and Navaratnas you can opt for basis on you rank of GATE, you can have a clear cutoff for different companies at https://engineering.careers360.com/articles/what-are-gate-scores-for-psu-recruitment .
Hope this helps.
Thank you.
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