Often you have to try to read the Deleted Message. Once you have deliberately delivered a message, then it is a good idea that if this message was not deleted, it was good. But here you are told that why you read the deleted message? Thus, it is very difficult to back up the deleted message. But the chance of getting it back by these roads is real!
Go to Google Play Store and click on Notification History to download the app. Run it as per all its recommendations and conditions. Enter the receipt on your whotspace in it. Swipe it up and send it to the clip. Through this you can send this chat that you have not been able to revisit. Also click it to go to setting. You can see your WhatsApp history by going to Nova Launcher and running it.
You can read messages delivered by Sanders. The other way is that your chat is saved in a Google account as a backup or in a Google Drive. You can see it from there too. You can restart the message even by reinstalling WhatsApp and restoring the message to the restore message