Bhadra Gas Agency — billing without gst

Address: Solan, Himachal Pradesh, 173205

Website: NA

This my distributor (Pong dam gas service) is totally fraud. They only give me bill of
Base rate = 640
Cgst = 16.00
Sgst = 16.00
Cashless discount = 5.00
Advance payment = 667.00
I pay 667 online but distributor put a stamp on this bill.
This stamp is ' delivery charges 23 '
Now point is this why i pay this 23 amount. And if this distributor want this amount then give me proper bill
Like
Delivery charges =??
Sgst =??? (Service tex)