The present invention is related to a solar driven irrigation apparatus for converting contaminated water contained in a contaminated water body into distilled water and using said distilled water for irrigating the vegetation grown on the said irrigation apparatus, the solar driven irrigation apparatus comprising a cover in the form of a geometrical projection comprising a wall, an opening, a semi-permeable mesh, a soil layer and a chamber. The present invention also related to a process for irrigating natural vegetation using the solar driven irrigation apparatus.