Yes, in most jurisdictions. The copyright belongs to the publisher (Krishna Prakashan Media). Downloading a pirated copy violates copyright laws and deprives the author (B.K. Sharma) and publisher of royalties. Furthermore, free PDF sites often come with:
: Like a medical manual for the Earth, the book teaches students how to measure the "health" of water using Biochemical Oxygen Demand (BOD) and Chemical Oxygen Demand (COD). A Legacy of Solutions Water Pollution Water Pollution Environmental chemistry - Latest research and news - Nature environmental chemistry book by bk sharma pdf
Management strategies including recycling, incineration, and land treatment. Yes, in most jurisdictions
Many sites show you the first 30 pages as a "PDF preview" to lure you into signing up for a premium membership. These are often scams designed to harvest your credit card details. Sharma) and publisher of royalties