Hello Ashutosh,
You will be required to appear for the GATE examination if you wish to apply for the PSU job (BHEL). You must apply for the GATE examination in 2020, since, the application dates for GATE 2019 have ended.
Kindly check the eligibility criteria of GATE from the following link: https://engineering.careers360.com/articles/gate-eligibility-criteria
And, BHEL recruitment through GATE from the following link: https://engineering.careers360.com/articles/bhel-recruitment-through-gate
All the best!
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