UPI — amount debited from my side but not credited

I transferred fund worth rs 12000 through my sbi account to sbi account of my relative using bhim sbi pay. The amount was instantaneusly debited from my account with reference no[protected] but the credit has not been received in beneficiary account. Now its been more han 24 hrs. And worse thing is there is no way to check the status or raise compalint in that app. Please do the needful as soon as possible.