The Indian Institute of Technology Madras Centre for Innovation (CFI) students showcased 76 projects including a solar-powered race car, an UAVs for blood and medical items delivery, Ultrasonic sound-powered metal 3D printer, and a wearable tool that helps people move paralyzed fingers .CFI Open House is India’s largest student-run 24/7 innovation lab, home to 14 clubs and seven competition teams .