Annamalai University — Not responding to my email or phone call when I asked them why they marked absent to one of my paper

Sir my name is Ashish.M my roll no - [protected] registration no - 010M20061P00633 course name - bsc mathematics . Under director of distance education anamali university sir one of my paper which is 613 -poetry and grammar marked absent which was marked absent when result came I contacted through email and phone call when I submitted complain they told me to give all the proofs I alrdy send them all the tracking no with proof that university had received all the 4 papers then why I marked absent in the paper when I try to reach no one is responding kindly solve my problem and please sir contact me as soon as possible in - [protected].and find a solution for this issue otherwise tell the procedure how to complain in higher authority regarding my issue .
Thankyou sir