Punjab Technical University — College not returning my original certificates

Address: khanna

I took admission in gulzar engineering college, khanna, Punjab at the time of admission college taked my original certificates of 10, 12 and migration, in 2 semester i attend just 5-10 online classes and due to very poor financial crisis i decided to take drop from college but now college is not returning my original certificates and saying me to pay full fess of 2 semester then only they will give my original certificates.Please Help!!
student name=Deepak yadav
roll no=2027771
branch=b.tech(cse)
student contact no=[protected]