Naga Sadhus is a particular group of saints who reside in the Himalayan Caves and came to visit the civilization only during the Kumbh Mela. this is the only event when these ascetic saints can be seen among saints of the general Indian population. During invasion of mughals there were many attacks on the Sanatan Dharmis and Hindu structures at that point of time a massive exercise was carried out by Naga sadhus to organize their strength so that they would all fight under one saffron to protect Hindu culture and Vedic tradition of India.Alexander and his soldiers also met naga sadhus during their stay in India.Buddha, Mahavir,were impressed to see their devotion to people and motherland.