The Deputy Commissioner, Dibrugarh has submitted its affidavit in the matter stating that direction were issued to the Circle Officer, Moran/Tengakhat Revenue Circle as well as the District Fishery Development Officer, Dibrugarh on 21.12.2021 with regard to the complaint lodged by the petitioner regarding mortality of fishes due to release of toxic substance in Dehing Part-II Fishery to which the Circle Officer, Tengakhat Revenue Circle on 28.12.2021 informed the Additional Deputy Commissioner (Revenue), Dibrugarh that the concerned Lot Mandal had enquired into the matter and submitted its report stating that as per the oral confirmation given by the local residents and as per the photographic evidence provided by the complainant, i.e., the petitioner, said Lot Mandal confirmed that it was an incident of releasing toxic substances in the Dehing Part-II fishery that causes mortality of fishes. However, the Deputy Commissioner, Dibrugarh, being not satisfied with the said report of the Circle Officer, Tengakhat Revenue Circle, Tengakhat that was given on the basis of report of the concerned Lot Mandal on 10.02.2022 again directed the Circle Officer to submit its report.