Amol khamkarRagi roaster and Incinerator
Akshay SawantCommercial version of Composter 
Nikesh
Sunny Bansode 
Omkar Daphal
Swarup Patil  Next version of Drum roaster
Prasad PatilPyrolysis system for plastic
Sivaperumal
Girijya waldode
Siva Konar