Arto et al.  have reported the adaptation costs of the Mahanadi Delta in India for agriculture, fisheries and infrastructure sectors . The cumulative adaptation costs for 2015-2016 were reported to be 276 million USD for agriculture and 0.163 million USD for fisheries. In comparison, the modelled cumulative agricultural GDP loss due to climate-change impacts was reported to be 5% up
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report