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