Annual Lightning Report 2020-2021 contains mapping of entire lightning strikes over india and all 37 states and union territories along with its impacts and detailed analysis. The report is of extremely high value and it is very useful for disaster management authorities/departments at national and state level, that is NDMA and SDMAs; all the scientific institutions involved in weather and lightning for understanding the hazard, generation of early warning and solutions to lightning; fulminologists; weather scientists; disaster management professionals; rural and urban development planners; land use planners; armed forces; communication and IT set ups; industries; water management authorities, specially dam; tourism; power industries; petrochemical industries; electrical industries; Bureau of indian Standards; BMTPC; Ministry of Forest, Environment and Climate Change; Department of Science and Technology; academia; students and researchers. It’s a collation of adverse impacts of extreme weather phenomenon in the form of lightning and ways to reduce the extremities. We aim to develop climatology of lightning over a period of at least five years and de-mystify lightning complexities.