The residual slurry obtained after anaerobic digestion is termed as digestate which contain partially degraded organic material along with sludge and inorganic matter. Recycling of this digestate by applying back to the soil as an organic fertilizer could be the best option for its safe disposal. However, the residual slurry is usually characterized by high COD, BOD and low nutrient (N, P and K) content which makes it difficult for direct application as biomanure. In the present study, an attempt has been made to enrich the residual slurry obtained from codigestion through biotechnological means. Seven treatment sets were placed for nutrient enrichment studies which include 4 cyanobacteria, 2 free living nitrogen fixing bacteria and mixture of all. Further, the enriched bioslurry was applied to soil as biomanure at an application rate of 10 t/ha. Bhendi crop was cultivated in three different soils (biomanure, urea and control). After incubation period of 6 weeks it has been observed that there was an enhancement of N, P, K content by 2.76, 3.7 and 2.2 fold higher as compared to control with maximum NPK ratio of 25:1:3.5. Aulosira, Azosprillum and Azotobacter were found to enrich the nutrients more efficiently as compared to other strains. The soil supplemented with biomanure was found to have superior quality than the control and almost comparable to that chemical (urea) amended soil. The plant growth from biomanure treated plot was at par with the urea supplemented soil which advocates that synthetic fertilizer can be potentially replaced with this enriched residual slurry.