Answer : 1. "Malaysia"
Explanation :

200 participants represented India along with 10 ASEAN Member States (AMs) at the 4th edition of the annual ASEAN India Grassroots Innovation Forum (AIGIF) launched in Langkawi, Malaysia. AIGIF is an annual event that focuses on promoting stronger relations between India and AMS based on cooperation in Science, Technology and Innovation (STI). The Department of Science and Technology (DST) and National Innovation Foundation (NIF) of India and the Ministry of Science and Technology of the host country Malaysia collaborated for the event.