Bengaluru’s Proposed Hebbal–Sarjapur Metro Line May See Rs 2,920 Crore Cost Cut: Report

The estimated cost of Bengaluru’s proposed Hebbal–Sarjapur Metro corridor is set to drop by nearly Rs 2,920 crore after a detailed review by an expert agency, as per a Moneycontrol report.

Initially pegged at Rs 28,405 crore, the 37 km stretch was cleared by the Karnataka government in December 2024 and now awaits the Centre’s nod.

Following a review directed by the Union Ministry of Housing and Urban Affairs (MoHUA), the cost has been revised to Rs 25,485 crore, averaging Rs 689 crore per km.

MoHUA had reportedly sought a justification for the underground construction costs outlined in the Detailed Project Report (DPR).

The Bangalore Metro Rail Corporation Limited (BMRCL) subsequently engaged French consultancy firm SYSTRA to carry out the reassessment.

“SYSTRA vetted the costs, reduced underground station lengths, and benchmarked average costs with other metro projects, resulted in cost reduction,” an official was quoted as saying by Moneycontrol.

The revised draft, currently under Union government scrutiny, reflects “optimisation in the underground section and slight land acquisition adjustments,” another BMRCL source was quoted in the report.

While the project’s overall length and the number of stations — 17 elevated and 11 underground, remain unchanged, minor alignment tweaks have been made.

The elevated portion now measures 21.995 km (down from 22.14 km), while the underground stretch has slightly increased to 14.63 km.

The corridor is a key part of Namma Metro’s Phase 3A and will link Hebbal in the north with Sarjapur, a major IT hub, via the Central Business District and Koramangala.

BMRCL officials expect the Centre’s approval “anytime after November” and hope to secure it by March 2026.

Meanwhile, tenders worth Rs 6.86 crore have been floated for geotechnical investigations across four packages of Phase 3A.

The financing model envisages 20 percent funding each from the Centre and the state, with the remaining 60 percent sourced externally.

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