Reliance Fresh — inability of acceptance of payment through bharat qr code

Sirs,
Since last few days i have been visiting reliance store in my city junagadh (Guj), purchasing items and wanting to pay the bill using bharat qr code, but the counter person keeps threatening that their system debits amount twice due to delay at some point (Best known to them) and then i would have to go through a long process of refund, hence it is advisable not to pay through bharat qr.

Now, on one side there is lot of advertisement about this form of payment and on the other side, behind the curtains, there seem to be certain forces working to obstruct it.

So, is it due to lethargic working environment at the store or are you (Reliance store authorities) in cahoot with axis bank and visa people to see that the discount offer of 15% remains only on paper?

If you cannot afford to pay discounts why offer it at all?