Yogendra Yadav , psephologist turned politician , agrees that there is no empirical basis to the Mandal figure .
There is also a debate about the estimation logic used by the Mandal Commission for calculating OBC population .
Yogendra Yadav , psephologist turned politician , agrees that there is no empirical basis to the Mandal Commission figure .
There is also a debate about the estimation logic used by the Mandal Commission for calculating OBC population .