Hello Priyanka,
I think, with this marks, your chance in PSU is less. But you can apply for PSUs and wait for call.
To get admission in IITs, your GATE score is more than 600+.
You can check here previous year cut off trends for IITs
https://www.google.com/amp/s/engineering.careers360.com/articles/gate-cutoff-for-cse/amp
Thank you

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