Bengaluru: Setting the ball rolling for building a mass rapid transit system between Bengaluru and Tumakuru, Namma Metro on Sunday floated tenders for preparing the Detailed Project Report (DPR) for the 59.6-km corridor starting at Madavara.

This line is estimated to cost Rs 20,896 crore with 27 stations, including two planned for the future.

According to Bangalore Metro Rail Corporation Limited (BMRCL), the Madavara-Nelamangala section will have stations spaced 1-2 km apart, while the stretch from Nelamangala to Tumakuru may get a station every 4-5 km.

Given the high cost, the project may be taken up by PPP, BOT, DFBOT, DBFOT or the Developer Finance Model.

The Tumkuru corridor is one of the five extensions and three new lines proposed under Namma Metro's 210.9-km Phase 4, mainly aime

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