Dear Aspirant

This depend on the different types of PSU. But according to current trends and previous year cutoff and if most likely same follows by the next year then for mechanical engineering for getting any PSU, your marks should be more than 60,considering the fact that you belong to general category but most important step for getting jobs In psu is interview. You must prepare yourself at your best for interview.

Good luck :)

Feel free to ask if you have any further queries.