What is the minimum percentile required for placement in Public Sector Units (PSUs???

Minimum Percentile required varies for different PSUs companies generally,60%-70% for general and 50%-60% for the SC/ST/OBC/PH.

Minimum Eligibility for Placement in PSUs:
-You should have B.E. /B.Tech. /B.Sc. in Engg. Degree required
-PSUs allow for two years gap.
-Minimum required number varies for different PSUs companies generally,
60%-70% for general and
50%-60% for the SC/ST/OBC/PH
-Only candidates between 21 to 30 years are selected.
-Three years of relaxation is offered to OBC.
-No more than 5 years relaxation is granted to SC/ST.
-It is important to appear for GATE exam before applying.

Some high profiled PSUs are:

HAL (Hindustan Aeronautics Limited) --
It needs minimum 65% marks for General/ OBC and minimum of 55% Marks for SC/ST

HPCL(Hindustan Petroleum Corporation Limited) --
Requires minimum 60% marks for General/ OBC and minimum of 50% Marks for SC/ST

NTPC(National Thermal Power Corporation )—
Must have minimum 60% marks for General/ OBC and minimum of 50% Marks for SC/ST

BHEL (Bharat Heavy Electricals Limited)
Needs minimum 60% marks in aggregate.