hello aditi,

i think you cant apply for CG PET Exam because it need +2 aggregate marks of PCM/PCB.

but you can do b.tech,because some universities allow diploma degree holders to direct 2nd year.

you can refer below link for cgpet:

https://engineering.careers360.com/articles/cg-pet-eligibility-criteria

all the best....

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)