Yes Divya i completely agree with you that we need to do an Exploratory and Adhoc Testing for which no need the Test case.
Sonwabo Mbuqe is Hungry
You have to do Exploratory & Adhoc testing.
If you dont have requirment then you have to do Exploratory & Adhoc testing. or Discuss with your Project Manager, Business Analyst, or Team Members for better knowldge....