Discover Credit Card Complaint

Discover Credit card department,

Virginia

Hi, My friend refereed me for Discover Credit Card and me & my wife jointly applied for the credit card. We - in - 2016 & I hold other bank credit card since - 2016 with good history. But my discover credit card was rejected saying " No long Credit History ''. But the person who refereed me + other person from my company got Discover credit card - within 2/3 months, applied to Credit Card & they got it WITHOUT any history of Credit / Credit card. It seems either out of discrimination Discover card is not approving my Card OR they are not letting me know the correct reason for not approving my card. I had filled the complain with their call center but not getting any proper answer from them