I dont think you are looking into the root cause of the problem. SEZ does not have a proper policy and does not consider the Fertile land being acquired which wil affect Indias food production.
The Onslaught & Improper policies of Industrialisation & Urbanisation will result fertile land being used for this purpose. I do agree Gujrat & Rajasthan has RANN OF KUTCH which is not looked into for development and where all the PROJECT SEZ INDIA can be shifted to
After all Business cannot be at the cost of life since you cannot carry your earnings to hell or heaven whichever way you go