The big one- the earth shaking, along the 600 kilometer stretch of Central Himalaya, is on its way, alerting seismologist and scientists who attended the International Conference at Indian Institute of Technology at Mandi. The strain is already building up since the Indian tectonic rammed against the Asian plate, resulting in the gaining of height of the Himalayan Mountains. The biggest quake of 8.7 magnitudes in Assam in the year 1950 is recorded as being one of the biggest in the Himalayan region till date.