You need first survey in your ...
Published by Bhanderi Bhavin, CEO, at Bhagvati Landscape consultancy
You need first survey in your area during monsoon which is really gave idea of place where actual water deposits and water trails thats very helpful in your case.if your done for your home or back yard then you have good ises about it on Google. Other queries content me on my mail-bhandeibhavin@gmai.com