Tcs Nqt — Amount deduction

I buy 999rs course for TCS NQT exam on 12 Dec, my amount is deducted but I did not get course or refund. I already contacted to info.[protected]@tcs.com for my complaint they told within 7-10 days amount will refund but now it's 14 days happened and still i didn't get refund or course . Please do some needful me