Answer : 1. "हरियाणा"
Explanation :

Solution: The 9th India International Science Festival (IISF) for 2023 is scheduled to take place in Faridabad, Haryana from January 17 to January 20, 2024. The theme of this edition focuses on “Science and Technology Public Outreach in the Amrit Era”. The event will be organized by the Ministry of Science and Technology and the Ministry of Earth Sciences in collaboration with Vigyan Bharati. This program is being organized under the visionary leadership of Prime Minister Narendra Modi. IISF 2023 will have a total of 17 themes to showcase scientific achievements that will benefit the participants and the general public.