Waterfalls are commonly formed in the upper course of the river. At these times the channel is often narrow and profound. When the river courses over resistant bedrock, erosion happens slowly, while the erosion occurs more rapidly the watercourse increases its velocity at the edge of the waterfall. 1. Nohkalikai Waterfalls Nohkalikai Waterfalls is the tallest plunge waterfall in India. Its height is 1115 feet. The waterfall is located near Cherrapunji, one of the wettest places on Earth. Nohkalikai Falls are fed by the rainwater collected on the summit of the comparatively small plateau and decrease in power during the dry season in December – February. Below the falls there…