The Central Government of India has approved two phases of the Bangalore metro rail project, which will cover a total distance of 58.19 kilometres. The estimated investment in the metro rail network is INR 147.8 billion (US$ 1.96 billion). The project will facilitate travelling by public transportation to the Information Technology and Biotechnology sectors based in the Karnataka capital.

Phase 2A of the project involves a 19.75-kilometre long line connecting Central Silk Board Junction to KR Puram with 13 intermediate stations, while Phase 2B includes a 38.44 km long line connecting KR Puram to Airport via Hebbal Junction with 17 intermediate stations.