Solar power not only tripled the sales of this petrol pump, it is also saving the Rs 16,000-Rs 20,000 paid towards monthly electricity bills.
Kamal Saikia’s Microlight Propeller Hydro Turbine is not only suited to the low-flowing rivers of Assam, it also reduces per unit production cost by half.
Firasat Ali’s innovation — a smart streetlight sensor — saved the Shahjahanpur municipal corporation in Uttar Pradesh Rs 2 lakh in 2016.