how to choose optional subject for ias pcs upsc uppsc 2017 |which option...

how to choose optional subject for ias pcs upsc uppsc 2017 |which optional subject is best for upsc





full strategy to choose optional subject for upsc ias ips uppsc and other state pcs exams where still optional paper  has not been removed , although optional subjects have been removed from RAS , UKPSC , MPPCS  - full strategy by study for civil services -GYAN