aluplast International Innovation Days on Energy-Efficient Window Construction held from 3rd to 7th October 2016 in India. The participants got to see both sides of India: they learned a lot of things worth knowing in the presentations about energy-efficient construction, they visited the cutting-edge aluplast production plant in Vadodara that has been inaugurated only this year, but they also got enchanted by the beauty of the Taj Mahal.