First draft on East Calcutta wetlands (1986) published by Dept. of fisheries, govt. of West Bengal -a guide for Institute of Wetland Management & Ecological Design (IWMED). Young wetland scientist Dr. Drubajyoti Ghosh appointed as its director.
After Ramsar conference, the issue of East Calcutta biosphere once again draws the attention of world environmental scenario. Clear verdict of 1988 Calcutta UNEP conference was to make a conservation strategy of East Calcutta biosphere immidiately.