School Of Open Learning — Still have not received my books

Address: mangalya ophira sec 1 gr noida west

I'm Niharika Pathak, student of BA Prog psychology, batch 24. i havent received my sol books which were supposed to be delivered to me a month ago. i went to the post office as well but they said they dont have my books with them .
name: Niharika Pathak
batch: year 24 admission
books missing : 3rd semester
post article number: CY[protected]IN
I request you to help me out in this situation as my exams are supposed to being in december mid.