Indane / Trimurti Gas Service V Puri — Non Supply Of Cylinder Filled

I have an gas connection with Trimurti Gas Service DDA Market Vikas Puri New Delhi 18.The gas was booked some 15 days back . after 10 days of booking the cylinder was sent when we went out
from house onlly for 30 minutes and after that 6 days have passed and neither the phones are atteded as whenever we phone both their No,s give busy tone while I have tried continously for 2 hours a day It seems they have kept the phone off the hook so that it always gives busy tone.There phone Nos are 28547346 and 28544262 and you can try your self.My connectio No is SGC-8470