<P> The training academy for Railway Protection Force officers is named after Jagjivan Ram . </P> <P> The first indigenously built electric locomotive, a WAM - 1 model, was named after him and was recently restored by the Eastern Railway . </P> <P> In 2015, the Babu Jagjeevan Ram English Medium Secondary School was established in Mahatma Gandhi Nagar, Yerawada, Pune . As of March 2016, the school serves 125 7th and 8th graders from Yerawada . The school honours Babuji and his advocacy of education and opportunity for all people of lower castes by being the first Pune Municipal Corporation public school to offer education past the 7th grade . </P>

Who served as a union cabinet minister of agriculture for the longest duration