The present work, submitted under the title, "Microbial and Histochemical Analysis of Fish Samples Sold in Fish Markets of Bhopal with Special Reference to Their Health Hazards to Human Beings", incorporates the results of studies carried out on the infestation, isolation and identification of bacteria and fungi collected from different fresh and diseased fishes, fish fillets and streaks, roasted fishes, dried salted fishes, ice used for fish packing, water used by fishermen, swabs from market floors, implements of fishermen and swabs from fishermen's hands. It also incorporates the results of drug sensitivity tests against bacteria, histochemistry and biochemical estimation of different organs of fishes.