re tender supply of bio-fertilizers , rhizobium culture for lentil , khesari , green gram , black gram , bengal gram , pea & g . nut @ 400 gm , rhizobium culture for lentil , khesari , green gram , black gram , bengal gram , pea & g . nut @ 200 gm , rhizobium culture for lentil , khesari , green gram , black gram , bengal gram , pea & g . nut @ 250 ml , rhizobium culture for lentil , khesari , green gram , black gram , bengal gram , pea & g . nut @ 100 ml , phosphate solubilizing bacteria @ 400 gm , phosphate solubilizing bacteria @ 200 gm , phosphate solubilizing bacteria @ 250 ml , phosphate solubilizing bacteria @ 100 ml , azotobactor @ 400 gm , azotobactor @ 200 gm , azotobactor @ 250 ml , azotobactor @ 100 ml , azospirillum @ 400 gm , azospirillum @ 200 gm , azospirillum @ 250 ml , azospirillum @ 100 ml