
2 answers
Hi Kshitija Sonawane
This requirement can be achived through Apex coding. You need to write a Batch class which will run in every 8 Hours and check if Status is Paused and there is a reply so it will send an email reminder.
https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_batch_interface.htm
Hope You get the idea. For more help Please post this question in Developer community
Thanx
Tarun Suri