Hp Gas — My complaint is not taken

Address:	Thane, Maharashtra, 400612
Website:	www.hindustanpetroleum.com

I m living in diva east. District - thane. Maharashtra. I have hp gas connection.
From relax hp gas agency.
My complaints are:
1. I didn't receive the receipt along with gas cylinder delivery.
2. Delivery guy ask for extra 30/- charge for delivery even though my house is very near.
3. Since last 3 days i m trying to register my complaint at hp complaint number: [protected] but every time they make me wait like 15-20 min and then disconnect the call.
My consumer number is 607502.