Annamalai University — Related to the exam fee

Address:

Kattedathmeethal house, Mundikkalthazham, Kottamparamba post,

Dear sir/Madam,

My Name is Anila Sathyanand, i am from Kozhikode, Kerala. I am studying Annamalai University B.A.English 2nd year as a Distance.My Roll No [protected]. Yesterday (27/04/21), i was payed cash for the online exam fee for 2nd year. Transaction Reference number 128777, Bank reference no [protected]. Amount Rs.830/-. Subject code when I have paid the exam fee is 615, 630, 640, 650, 660. In this I left to pay cash with 625 subject code Malayalam History of Malayalam Literature. Because I had not received the book with that subject code 625.
What should I do next? How to pay the exam fee of Malayalam History of Malayalam Literature (625).I also put some screenshots with it.

Awaiting for your valuable reply,
Thanking you.

With regards,
Anila sathyanandan.