This book covers all areas of science and technology. The contributions by the authors include SAM children, nutrition management, diet counseling, soil quality, carbon stock, forest land use, cultivated land use, sustainable land use, chickpea, genotypes, hybridization, genetic variability and heritability, Nagaon district, groundwater, Central Brahmaputra Valley Zone, GIS, metal matrix composites, nanodiamonds, mechanical alloying, electrochemical nanocomposite coating, automation, drying rate, economical dryer, farmers, quality parameters, rotary heat exchanger, heat transfer, pressure drop, simulation, bifurcation, MHD, porous channel, perturbation method, similarity transformation, steady Flow, antioxidant activity, GC-MS, FT-IR,  injection moulding, Taguchi method, robust design, signal to noise ratio, TRD-RSM, foundry sand, bioleaching, Hibiscus rosa-sinensis, ICP-OES, heavy metals etc. This book contains various materials suitable for students, researchers and academicians in the field of science and technology.