If I am a diploma holder I can appear for this exam
After diploma one can either opt for Job or Higher studies, so there is a lot of opportunity for diploma holder in both cases.
Higher studies
state level engineering entrance examinations.
other university examination where you can diversify your discipline by choosing other courses related to management, commerce, architecture(if you are from civil engineering ).
Job opportunities.
Railways RRB JE
various state level JE selection exams.
CWC
Bank exams
All the best
dear aspirant,
please specify which exam are you talking about?.