Q:

What did the Chief Minister do in order to find out who the actual culprit was? 

• 1
  He sent a spy and asked him to find out the actual culprit
• 2
  He directly asked Bhupati if he had stolen the princess ' necklace
• 3
  He asked the soldiers to keep a thorough watch on the old servant
• 4
  He hid near the jail and overheard the conversation among the four men
• 5
  He interrogated all the four men