Tender For providing of operation and maintenance services of power generator(dg-set) - package 1 - o&m service with operational and maintenance manpower; 250 kva; na,operation and maintenance services of power generator(dg-set) - package 1 - o&m service with operational and maintenance manpower; 150 kva; na,operation and maintenance services of power generator(dg-set) - package 1 - o&m service with operational and maintenance manpower; 63 kva; na,operation and maintenance services of power generator(dg-set) - package 1 - o&m service with operational and maintenance manpower; 25 kva; na,operation and maintenance services of power generator(dg-set) - package 1 - o&m service with operational and maintenance manpower; 250 kva; na