How to remove yellow color & salty taste from bore well water?

I am living in Ramapuram, Chennai. In my house the bore water is yellow colored, salty & it contains 2500 TDS. The depth of the bore is 150 ft & we have put the suction valve at 140ft.  Neighbors are getting good water & they have dug only 80-90 ft of bore.

The detail of water present in our area is:

  •   20-60 ft contains yellow colored water
  •   65-100 ft contains rock – it gives colorless good water
  •   110-150 ft contains salt water

We have installed Iron remover (MnO2 used as medium) and softener. Still the output water is yellow colored & the harness is reduced.
Can you suggest ways to remove the yellow color from the bore well water?
Is there any possibility of getting good water if I reduce the suction height (80-100ft) or still I will get the same salty taste & yellow colored water?

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