Arduino MKR 1400 registration in azure IOT Hub

Hello Everyone,

When Im registering my Arduino MKR 1400 in Azure IOT HUB Successfully it is completing the process but when im trying to send data from cloud to device or device to cloud it is not working After 1 day im able to push Messages. I have checked with 3 to 5 Arduino MKR 1400 issue is same in all,

Im using Airtel sim for internet connectivity.

Can anyone suggest the solution for this.

Thank you .

@Afroz_H, your topic hase been moved to a more suitable location on the forum.