Plant beneficial rhizospheric microbes (PBRMs): prospects for increasing productivity and sustaining the resilience of soil fertility.- Rhizosphere microorganisms towards soil sustainability and nutrient acquisition.- PGPR: Heart of Soil and their Role in Soil Fertility.- Strength of microbes in nutrient cycling: a key to soil health.- Quorum sensing in plant microbe interaction.- Horizontal gene transfer in soil and the rhizosphere: Impact on ecological fitness of bacteria.- Hairy root culture: a biotechnological approach to produce valuable metabolites.- Metagenomic approaches in understanding the mechanism and function of PGPRs-perspectives for sustainable agriculture.- Role of bioinoculants as plant growth-promoting microbes for sustainable agriculture.- Microbial Diversity of Tropical Andean Soils and Low-Input Sustainable Agriculture Development.- Entomopathogenic bacteria and biorationals in chickpea organic crop protection.- Bio-stimulants: an approach towards the sustainable vegetable production.- Efficacy of biological soil amendments and biocontrol agents for sustainable rice and maize production.- Bacterial-mediated selenium biofortification of Triticum aestivum: strategy for improvement in selenium phytoremediation and biofortification.- Role of vesicular arbuscular mycorrhizae in mobilization of soil phosphorus.- The role of soil microbes in crop biofortification.