Bioremediation; Phytoremediation of Organic Pollutants; Use of Selected Plants for Phytoremediation of Heavy Metals; Pseudomonas putida; Bacteriophages for Pathogen Reduction in Sewage Water Treatment; Low-cost Alternative Media for the Culture of Plant Pathogens-Use of tapioca as Possible Substitute of Agar; An Array of Microbial Diversity of Industrially Important Enzymes Producing Microorganisms from Different Geographical Pockets of Himachal Pradesh, India