Rising pollution may have led to fish deaths
They were discovered on the banks of the Brahmaputra river in the state capital, Guwahati. An equal number of sick fish were found in the same place, officials said. They blamed rising pollution levels.
An investigation has been ordered by the Assam government, said C.K.Bhuiyan, senior district official in Guwahati.
Earlier in the year, the Assam Pollution Control Board (APCB) told all the oil refineries in the state to achieve "zero pollution" levels by 31 December, otherwise they would be threatened with closure. The Guwahati refinery was found to be the worst polluting refinery and was perhaps the only one in Assam not to have yet complied, pollution control board officials said.