RBL Bank — rbl credit card application not working last 15 days

Address:

Jaipur, Rajasthan, 302001

Sir, my rbl credit card app not open in my mobile
I send mail but still not resolution they provide me reference no. 04964211
Rbl bank credit card toll free number is all time engage
I tried to contact rbl customer care but no benefit
I absorb very bad service of rbl bank i never suggest to rbl bank product to my relative.
Credit card no. Last four digit - 9038
Mobile no. [protected]
Name-anil kumar