Indian Oil Corporation [IOC] — cash memo generated and extra amount charged by delivery boy

We have booked gas with ioc pooja gas agency kurali and got booking message ref. No:333098 on 28th march 2019. With in two days cash memo generated ([protected]) message received but not showing payable amount in msg. But reffiled cylinder still not received as on 1st april 2019 so we have tried to know the status same was showing cylinder delivered. Then we have raised a complaint no:[protected] and assure us to delivered the cylinder with a week.
On 4th april 2019 morning 9:30 am receive a call from gas agency delivery boy. I call to gas agency staff to confirm the exact amount / and cash memo availability with delivery boy or not. Gas agency staff assured us that delivery boy will be provide cash memo as currently our system not working.
Today (04.04.2019) delivery boy delivered the cylinder without cash memo & charged extra rs.10/-. Same complaint with gas agency staff regarding the delivery boy behavior.
Kindly look into the matter and take necessary action.

Regards
Parvesh walia
[protected]