The field visit cum demonstration was conducted by a team consisted of Dr. A.K. Bera, Principal Scientist, Dr. M. Shaya Devi, Scientist, Mr. Subrata Das, Technical Assistant under the guidance of the Director, Dr. B.K. Das. Dr. A.K. Bera explained the trainees on how to collect clinical information, sampling of disease fishes and how to suggest the farmers regarding the remedial measures and treatment. He further stresses on the relevance of soil and water quality parameters on disease outbreak. Dr. M. Shaya Devi demonstrated the collection and sampling of diseased fishes for identification of bacterial, virus and fungal pathogen. Mr. Subrata Das demonstrated sampling and analysis of soil and water quality parameters.