Bharat gas - Revathi agencies, Hafeezpet, hyderabad
Not picking up phone - unable to book gas

I am having Bharat gas connection with Revathi agency, Hafeezpet, Hyderabad. Every time, when i want to book gas cylinder, i have to make many calls, they r not lifting phones, otherwise the phone may be engaged complete day. They r supplying gas cylinder after 15 days of booking.