With reference to BIMSTEC (Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation), consider the following statements:

1. As of early 2025, it had seven member states.

2. It came into existence with the signing of the Dhaka Declaration, 1999.

3. All its current members were part of the original grouping when it was founded.

4. India leads the tourism sub-sector of cooperation within the grouping.

Which of the statements given above is/are correct?