I have a borewell of 640 feet depth and water is present at 100 feet but no water stays in the borewell as there is a hole at 620 feet. Please suggest how to block this hole.
I have a borewell of 640 feet depth and water is present at 100 feet but no water stays in the borewell as there is a hole at 620 feet. Please suggest how to block this hole.