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Bangalore Metro Rail Corporation Ltd has begun work on extending the Green Line from Madavara to Tumakuru by inviting bids for a Detailed Project Report. The proposed 59.6 km elevated corridor will feature about 25 stations, starting near the Bangalore International Exhibition Centre and passing through Nelamangala, Dabaspete and Kyathasandra before reaching Tumakuru. Estimated to cost between INR 18,670 crore and INR 20,650 crore, the project is being evaluated under both PPP and SPV funding models. Designed to handle 15,000 passengers per hour with 4-5 minute train frequencies, the line is projected to serve 2.8 lakh daily commuters by 2032. The DPR will refine alignment, costs and land needs.
Bangalore Metro Rail Corporation Ltd has initiated the process to extend the Green Line from Madavara to Tumakuru by inviting bids for the preparation of a Detailed Project Report. The corridor planned spans nearly 59.6 km and includes about 25 elevated stations. Advertisement
The alignment is expected to begin at Madavara near the Bangalore International Exhibition Centre and pass through key points such as Nelamangala, Dabaspete and Kyathasandra before reaching Tumakuru. The estimated project cost ranges from INR 18,670 crore to INR 20,650 crore, depending on whether the route is developed under a public-private partnership or funded through a special purpose vehicle with joint central-state support.
The proposed corridor has been designed for a capacity of nearly 15,000 passengers per hour in one direction, with train frequencies planned at 4-5 minutes. Two depots are being considered for operations and maintenance-one in Nelamangala and another in Tumakuru.
This move follows a feasibility study submitted earlier, which outlined the technical and operational parameters for the extension. Ridership forecasts projected around 2.8 lakh daily commuters by 2032, with potential to rise to 5 lakh by 2061 as the region continues to develop. Tumakuru's growing industrial base and rising daily commute volumes have strengthened calls for improved mass transit links.
The government is currently evaluating multiple funding structures, with both PPP and SPV models under consideration. The DPR is expected to provide clarity on financial viability, alignment details, land requirements and operational aspects.
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