Institute of Chartered Accountants of India — non receipt of confirmation for completion

Sir, i submitted form 108 by oct 3, 2017 but i didn't receive any confirmation mail or letter. I called sivanesan sir and he told me to contact hyderabad gachibowli branch since i did articles in andhra pradesh. Then i called them and said my problem they told me to send mail to naveen sir then i sent the mail but he didn't respond then i took his contact details and called him but the number is switched off. Then again i called gachibowli branch now they are not lifting the call. Please help me in this regard.
My regn. No. Sro0420342
My dob : 10/10/1994