108 Ambulance — non arrival of 108 for 2 times

My self dr agrawal working as district officer
I called 108 for emergency happened to my mother on 10 dec 2018 at 14.23 pm for to take my mother to hospital as it was emergency
108 has kept my call on holt for 5 minute 43 second and even after they have not sent 108 for 20 minute
I called 108 for emergency again on 30 july 2019 at 19.58 pm for to take my mother to hospital for emergency. Again this time they kept my call on holt for 6 minute 24 second and even though ambulance did not come for 20 minutes
We forced to take my mother in car with great difficulty and we could not save her due to delay and traffic on the way