Dear Aspirant

Hope you are doing well

As you have mentioned your problem on above

I think they will not allow you but if you take any proof that shows you applied for that exam then there will be some chances of it .

Documents required in counselling

SSC Pass Memo or its Equivalent for proof of Date of Birth.

Provisional Certificate

GATE Score / GPAT /PGECET Rank Card

Transfer Certificate.

Consolidated marks memo or memorandum of marks semester wise.

Study certificates from 10th class to Graduation.

Caste certificate

Residence certificate

Employ certificate And more

If you want to know more about it check out the link given in below https://www.google.com/amp/s/engineering.careers360.com/articles/ts-pgecet-counselling/amp