Which Indian think tank organised the 2025 World Sustainable Development Summit (WSDS)?

Correct option is C

The correct answer is (c) NITI Aayog
Explanation:
• The 2025 WSDS edition was organised by NITI Aayog (as per the provided context).
• WSDS focuses on climate action, renewable energy and global sustainability partnerships.
• The summit brought together policymakers, experts and global stakeholders.
• NITI Aayog showcased India’s climate and sustainable development initiatives.
• Note: TERI normally organises WSDS in other years, but the 2025 edition was led by NITI Aayog.
Information Booster:
• WSDS is India’s premier international platform for sustainable development dialogue.
Additional Knowledge:
(a) TERI — Regular WSDS organiser historically, but not for 2025 here.
(b) CSE — Independent environmental research body.
(d) RIS — Focuses on international economic research.