It could be because of the settings that are done on your device. You can change the below settings of your device in order to receive notifications.
Go to Mobile manager >> Permissions >> Autostart Manager >> Enable Dailyhunt App
Step1: Open Mobile Manager & Select Permission
Step3:- Enable DailyHunt
After following the above steps, return to Mobile Manager and follow the below steps
Mobile manager >> Click on Notifications >> Enable Dailyhunt App
Step1: Click on Notification