Explanation:

- The Asian Games 2018 were held in Indonesia, specifically in Jakarta and Palembang.

- India had a commendable performance at this event.

- Option 1: 39 medals is incorrect; India won more than this.

- Option 2: 49 medals is also incorrect; India exceeded this number.

- Option 3: 69 medals is indeed the correct number of medals India won at the Asian Games 2018.

- India achieved its best-ever medal tally at the time, with 15 gold, 24 silver, and 30 bronze medals.

- Option 4: 29 medals is incorrect as it is significantly less than India’s actual count.