Q:

Mother said, “Gaurav, you will be eligible for voting when you are 18.”

• 1
  Mother told Gaurav you will be eligible for voting when you are 18.
• 2
  Mother told Gaurav that he would be eligible for voting when he would be 18.
• 3
  Mother told Gaurav he would be eligible for voting when he was 18.
• 4
  Mother told Gaurav that he could vote only after 18.