When a man in India cut through a mountain with a hammer, chisel and nails in 22 years

There are lot of phrases which exaggerate accomplishments of people.  When someone does something big – they say he has “moved the mountain”.  Well here is a story of a person who CUT through the mountain with just a HAMMER, CHISEL and his NAILS in 22 years!  If one looks at what he achieved it looks nothing short of herculean!
Read Quote of Subhrajyoti Ghatak’s answer to What are the most gripping stories in human history? on Quora