Expanding the Solar Homes Programme. 1.2. Other solar. Solar Irrigations Pumps. 0.6. Solar Mini-grids. 0.25. Solar Nano-grids. 0.27. Pico-solar. 0.1. Scaling up biomass production from sugar. 0.2. Building an Elevated Express Highways in Dhaka for decongestion of the main urban traffic arteries. 2.65. Dhaka mass rapid transit system. 2.7.