Indian Gas
Not delivered refill cylinder after generating cash memo no

I have cylinder of Indian gas consumer no. 25795. our area distributor is shyam sunder enterprises. I have booked for refill. refill booking no. was 3822-419860-on 5-12. On 8-12. I received message on mobile that cylinder has been delivered against your refill booking no. 3822-419860 with cash memo 3915. But the cylinder is not still delivered.