Indian Oil Gas — Cancellation of booking

Website:

www.indian oil gas company

I booked for gas on 18.08.2015.booking no 30th. On 21.09.2015 I get a message that my booking is cancelled without assigning any reason, and asked to do a new booking . booked again on 21.09.2015, new booking no is 365966. My eligibility is extended by another 40 days minimum. Who is responsible for this. My consumer no is 1275