The present investigation was carried out in green house of Department of Agricultural Microbiology, Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh (India) during the year 2015-16. The co-inoculation of Rhizobium + PSB at 45 DAS significantly increased no. of root nodules per plant, biomass of nodules, shoot biomass accumulation and N accumulated by shoot over control plants. | Impact of bacterial dual inoculation PSB and Rhizobium on nodulation behavior and biomass of sand culture grown kulthi Dolichos biflorus