Build2Gether is an International AI–SDG Hackathon organized as part of Sairam SDG Inspirathon 3.0. The event brings together 2000+ participants, 500 teams, and 120+ industry jury members to develop innovative solutions aligned with the 17 UN Sustainable Development Goals. Hosted from 18th–20th February 2026, the hackathon fosters innovation, sustainability, entrepreneurship, and global collaboration. Participants will engage with experts from leading industries, startups, and academic institutions to transform ideas into impactful solutions. Build2Gether aims to empower young innovators to create technology-driven solutions for real-world societal challenges.