Please suggest the best way of rainwater harvesting for an apartment in Bangalore, Karnataka - Can the rainwater be injected into the bore well

dear sirs,

we stay in aappartment in devya park which has seven flats. we had a borewell we were happy that we dint have any problem with water, but this summer our borewell went dry.It is only 160 ft now also we get 10 min of water for every 6 hours.Now last week drilled a borewell upto 450 ft but we got only 1 inch of water.In the month of october 2010 we have done a rwh system in our flat. we have put 5 rings of 3 ft each to the pit. the total terrace area is 3000 sq ft. and the rhw pit  it is nearly 8 ft away from the previous borewell and 5 ft from the new borewell.

My questions are

1.Is the present rhw system sufficent and correctly done.

2.Can we directly inject the rain water int to the borewell.if yes in the recent bore well there is a small silt at 260 ft. is it safe to leave the water to the borewell.

3.Any other suggestions for rhw in our appartment.

I am a tenent in this appartment, i just look after the bills to be paid.

thanks in advance

regards

subramani reddy

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