I asked my friend if he had seen the launch of the Chandrayaan2 from Sriharikota.

A

I said to my friend, “How did you see the launch of the Chandrayaan2 from Sriharikota?”

B

I said to my friend, “I had seen the launch of the Chandrayaan2 from Sriharikota?”

C

I said to my friend, “Did you see the launch of the Chandrayaan2 from Sriharikota?”

D

I said to my friend, “He has seen the launch of the Chandrayaan2 from Sriharikota.”