Q:

The teacher said, "Rajiv, come to my desk with your exercise book now." 

• 1
  The teacher ordered Rajiv to come to her desk with his exercise book now.
• 2
  The teacher ordered Rajiv to come to her desk with his exercise book then.
• 3
  The teacher ordered Rajiv to go to her desk with his exercise book now.
• 4
  The teacher said to Rajiv come to her desk with his exercise book then.