woman asked gandhiji tell son give sweets gandhi told bring boy back week later returned gandhi said boy please give sweets woman thanked mahatma leaving asked told son words week ago mrs gandhi replied hebdomad ago given sweets simple message do mahatma grandson gopalkrishna gandhi intent carrying legacy forward keen prepare model cutting energy use regulator need stave transform raj bhavan carbon neutral demesne gandhi personally approached joyashree roy member nobel intergovernmental panel climate change ipcc team advice transition carbon reduction achieved minimising energy usage ushering green teaches economics jadavpur university confirmed development governor keen know raj bhavan become carbon electroneutral working details leaders first citizen state encourage others roy raj bhavan implement changes first regulator house so first government building country go carbon neutral say environment experts give huge fillip green river house gas ghg reduction initiatives bengal act beacon ignite ju prepares cover governor reduced convoy sizing five three since april also observing voluntary power cut two hours daily since may raj bhavan staff try limit energy usage emissions obtain electricity renewable energy source installing solar panel total getupandgo usage computed attempts underway cut consumption annual electricity consumption raj bhavan including staff quarters kw average monthly fuel consumption pegged around litre petrol diesel consumption ratio bhavan staff also worked steps curb energy usage replacing incandescent bulbs cfl lamps changing old air conditioners efficient 1 using solar water heater switching lights set out building campus use attempting build sense involvement employees shed misuse electricity said kumarjib chakraborty deputy controller governor household toi caught mohandas karamchand gandhi modest self reluctant speak significant carbon paper reduction achieved humble essay cut wastage reduce energy usage economise planet said