Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
National Institute of Technology Durgapur
Madhabendra Sinha, Partha Pratim Sengupta
Ujjal Protim Dutta, Hemant Gupta, Partha Pratim Sengupta