National Council of Science Museum (NCSM), an autonomous body under the Ministry of Culture, Govt of India, has conducted the largest and longest running science education programme by travelling 14,88,297 km in 72,823 exhibition days. It has reached out to 6,45,19,367 people through a fleet of 23 NCSM MUSEOBUSES (specially designed buses) over a period of 50 years. The science education programme began on Nov17, 1965 at Ram Krishna Mission School, Narendrapur, West Bengal has continued through exhibitions and film shows all across the country reaching out to millions of people living in remote areas.