Only cash diwali bakshish being collected

It appears that someone is closely monitoring who is coming to the house of the domain investor, engineer as part of the resume robbery racket.
When the garbage collector, came to the door of the engineer to collect the diwali bakshish, he immediately got a phone call from a lady.
She was asking him whether he was accepting phonepe, gpay bakshish.
The garbage collector said that he did not have phonepe, gpay, he was only collecting cash bakshish(hindi for gift) and he showed the cash he collected