How to define sustainability index for a urban/city/rural development. I am interested to know what are the equations behind to calculate the weightage and other related factors for overall rating.
a possible way would be to calculate the Ecological Footprint. There are heaps of publications available how to design indicators. Have a look at this:
Article Global environmental impact of informal settlements and perc...
It might be a good starting point for a few ideas on sustainability and rural development. My research was based on these concepts so mainly all the articles I published are more or less connected to the concepts you are looking for.