Patna, Nov. 3 -- The Yadav who make over more than 14% of the population of Bihar are the largest and one of the most politically influential castes in the state. Their influence in the politics of Bihar coincides with the emergence and downfall and further revival of Lalu Prasad in the politics of Bihar.The emergence of Lalu Prasad on the political fora of Bihar dates back to March, 1990, when after rout of the Congress party throughout the country, a comparatively low profile Janta Dal leader, Lalu Prasad had emerged as a consensus choice for the chief minister post in Bihar. A humble, simple chief minister in whom the common man of Bihar could find himself - he talked the language which the common man spoke, he ate the food which the c...