I got drilled borewell @ bangalore, near Kengeri. At 74 feet got the water But i have drilled up to 350 feet..
But i have some problem ( as per the drilling service provider, ) that got some Boulders between at 76-80 feet & at 140 feet, (very little). However after that there is no sign of boulders. finally got 4&1/2 inch water.
Now drilling service provider is advising to have a PVC casing with STILT which will cost Rs.200/ per feet.
Please advice me whether it is necessary to insert the same.
Thanks in advance,
N V SIMHA