i) Kitchen waste based biogas plants for community kitchens and industrial canteens

ii) 80 litre solar refrigerator

iii) 40, 60 and 100 kg biomass/hr open core down draft gasifiers

iv) 10–20 kg biomass/hr natural draft gasifiers

v) Tunnel type semi-continues solar dryer

i) Cabinet type solar dryers

ii) High rate effluent treatment technology using anaerobic filter

iii) Biphasic technology for anaerobic treatment of vegetable waste

iv) Small biomass based combustion air heaters.