Bangalore Metropolitan Transport Corporation [BMTC] — About online payment for bus tickets in BMTC

I recently took BMTC knowing online payment methods like G pay and Phone pe are accepted as conductor will give QR code to us. It was a very disgusting experience when i asked the conductor to give QR code he told he don't have. When i asked why he told we don't have that's all. I told him I don't have cash and I can pay only through online platforms. He rudely said i[censored] don't have cash get down that too in between 2 stops. Some how
I managed to search 5 Rs and got down near next stop. If they don't have QR codes then why to tell we accept online payment in buses.Bus No- KA 53 F 123