The government will take up Rs 50,000-crore projects to decongest Delhi that is battling with the twin problems of air and water pollution, Union Minister Nitin Gadkari said Saturday. Road Transport and Highways Minister Gadkari was addressing an event here after laying the foundation stone for a Rs 2,820-crore highway corridor project that will link Akshardham to the Eastern Peripheral Expressway (EPE) junction on Baghpat road.