1) Thermal battery based solar refrigerator
2) Stand alone type PV integrated solar low tunnel dryer
3) Forced circulation solar cabinet dryer
4) Solar based wax melting system
5) Single axis sun tracker
6) Solar-bio-gas based hybrid cold storage system
7) Conversion of fruit and vegetable residue to bio-gas and manure
8) Conversion of kitchen residue to bio-gas and manure
9) Bio-gas generation from agro-industrial effluent
10) Bio-methanation of dairy effluent scum
11) Updraft-biomass gasifiers for thermal applications
12) Open core down draft biomass gasifier system for thermal and power
applications
13) Biomass combustor-cum-hot air generator
14) Improve biomass cook stoves (batch and continuous operation)
15) Movable platform type wood cutter for preparing feedstock for gasifier
16) Glass roof tiles for natural sunlight in tribal rural houses