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....