The document describes a Green Dream Hackathon event scheduled for February 28 - March 1, 2020 that aims to bring together people from various communities to create innovations for sustainability through open collaboration. The 24-hour event will provide problem statements for participants to solve in teams, and will include outdoor activities, mentors, and presentations from green companies. Sponsorship opportunities range from Title Sponsor at INR 6 lakhs to Bronze Sponsor at INR 1 lakh, with various benefits including branding, presentations, and attendee engagement activities. The organizers hope to crowdsource new ideas and enable rapid prototyping through the open innovation event.