Answer : 3. "New Delhi"
Explanation :

BIMSTEC Aquatics Championships 2024 is being organized in New Delhi. Central Youth Program and Sports Minister Anurag Singh Thakur inaugurated this championship. The first BIMSTEC Aquatics Championship is being held from 6 February to 9 February 2024. BIMSTEC was established in the year 1997. This group includes 7 countries (Bangladesh, Bhutan, India, Nepal, Sri Lanka, Myanmar and Thailand).