PATNA, July 30 -- Bihar's leader of opposition, Tejashwi Prasad Yadav of the Rashtriya Janata Dal (RJD), on Thursday said chief minister Nitish Kumar should lead a delegation of the state Assembly to meet Prime Minister Narendra Modi to press for enumeration of caste groups or else conduct a caste count on its own, as was done by the Karnantaka government earlier....