Indane Gas — demanding money for home delivery by delivery boy

Address:

2 g main, muthyalanagar, 560054

Mr. Muragan das of mohan gas jalahalli bangalore demanding money for delivery of gas cylender at home.
He claims that 20 rupees for ground floor, 50 for first floore 100 for second floor to be paid
I do not understand when the company should deliver the gas to home at free of cost why additional charge will be paid to delivery boy?
If you do not pay they use bad words