Kotak Mahindra Bank — invalid number

Address:

641035

Hello sir, I applied KM bank credit card through online, last week but yesterday 05.07.2018 morning call ur bank executive, ur card is approved, then today 06.07.1986, our executive collect my documents, eve 6.o clock, appointment booking, then after one mail is come for me ur bank side, one reference number given, I checked the this reference number ur official website, this number is invalid, then what can I do? Please help me sir,
This is my
reference number :[protected], please help me sir, my mobile number : [protected], please reply me.

Regards

Rajasekar.