Dear Naveed,

The following link contains a publication entitled "Impacts of Policies on

Poverty Absolute Poverty Lines" by Lorenzo Giovanni Bellù which covers the tools and techniques used to measure poverty via FEI and CBN methods:

http://www.fao.org/docs/up/easypol/316/abslt_pov_lines_005en.pdf

Another publication which may be helpful is the one contained in the following link:

http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.583.3962&rep=rep1&type=pdf

Hoping this will be helpful,

Rafik