Internet connection problem in some apps

Hi, I am facing problem of internet connection in some apps. My Wifi and Mobile data is working fine in some apps like YouTube and safari etc but is not working in other apps like whatsapp, Facebook, messenger and Instagram.it was working fine but suddenly it stopped. I have tried rebooting my iPhone and even tried resetting network settings but still it isn’t working.

kindly help me out what should I do and what might be the problem is.