Kavach rollout 2026: SWR tests, ₹1,364 crore push

What changed in Bengaluru Division

South Western Railway (SWR) said it has successfully carried out field tests for the Standard KAVACH Automatic Train Protection system in critical areas of the Bengaluru Division. The tests are a key step before wider deployment because Kavach needs integration across signalling, telecom networks, and onboard equipment. SWR positioned the development as a move to strengthen train safety and improve operational effectiveness. The zone’s plan is to progressively implement the indigenous safety system across its 3,692 route kilometres (RKM). The update comes at a time when Indian Railways is also expanding Kavach deployment on high-density routes and approving new projects for additional divisions.

SWR’s near-term commissioning targets

SWR has outlined immediate targets for putting Standard Kavach into service on specific sections. The Standard KAVACH is planned for implementation on the Manka–Harmaram section (137 km) and the Bengal–Muru section by July 2026. SWR also expects the Bengaluru–Dharmapuri Junction section (163 RKM) to be completed by August 2026. Officials said the zone will follow a phased approach to cover its entire 3,692-RKM network. The schedule signals that SWR is moving from testing to execution in select corridors, with a stated month-wise completion window for at least two milestones.

Phase 1: high-density routes and planned spend

According to SWR officials, Phase 1 covers 1,568 RKM of high-density and critical routes. The estimated expenditure for Phase 1 is ₹628.63 crore. Within this, SWR cited 790 km in Hubballi and Mysuru divisions at a cost of ₹261.88 crore, and 778 km in Bengaluru and Mysuru costing ₹366.56 crore. SWR also listed key routes for Phase 1, including: Hubballi–Ballari, Hubballi–Londa–Miraj, Haveri–Arsikere, Arsikere–Yeshwantpur, Baiyappanahalli–Dharmavaram, Bengaluru–Kolarpet–Jolarpettai, Mysuru–Chamarajnagar, and Bengaluru–Yeshwantpur–Dharmapuri. The route list indicates SWR is prioritising corridors that connect major junctions and carry dense passenger and freight movement.

Phase 2: remaining network coverage

Phase 2 expands Kavach to the remaining 2,124 RKM, as per SWR’s plan. SWR said this includes 456 km in Bengaluru at a cost of ₹270.70 crore, covering routes such as P Konda–Dharam, Amlur–Dharmapuri, and Yelahanka–Bangarapet. The remaining sections, as stated, include 862 RKM in the Hubballi division at ₹459.41 crore and 806 km in the Mysuru division at ₹428.39 crore. Taken together, Phase 1 and Phase 2 map to SWR’s stated total network of 3,692 RKM. The phased structure also signals that SWR is attempting to ring-fence budget and execution planning by density and risk.

Locomotive fitment: sheds and earmarked fleet

SWR said it has begun outfitting locomotives with Kavach technology to support trackside rollout. At the Krishnarajapuram locomotive shed, 74 diesel and 100 electric locomotives have been designated for Kavach installation. The Hubballi shed has earmarked 177 diesel and 68 electric locomotives for the same purpose. These allocations matter because Kavach requires onboard equipment to work with trackside infrastructure and station systems. The numbers also indicate SWR’s focus on ensuring locomotive availability aligns with corridor readiness.

What Indian Railways is building around Kavach

The railway ministry has described Kavach implementation as a multi-component infrastructure build-out. This includes station-based equipment, RFID tags along tracks, telecom towers, optical fibre cables, and onboard Kavach devices on locomotives. On high-density routes, the ministry said significant progress has been made in supporting infrastructure, including 8,570 km of optical fibre cable laid and 1,100 telecom towers installed. It also reported 6,776 route kilometres of trackside equipment deployed and 767 station data centres set up. On the rolling stock side, 4,154 locomotives have been equipped with Kavach devices, while work has been initiated to install Kavach systems in 8,979 locomotives and 1,200 EMU/MEMU train sets.

Commissioning updates on key corridors

Union Railway Minister Ashwini Vaishnaw informed the Lok Sabha that Indian Railways has successfully commissioned Kavach 4.0 across 1,452 route kilometres on the high-density Delhi–Mumbai and Delhi–Howrah corridors. Separately, another railway update cited Kavach Version 4.0 commissioning across 1,297 route kilometres after trials, and provided section-level break-up including Junction cabin–Palwal–Mathura–Nagda (667 RKM), Ahmedabad–Vadodara–Virar (432 RKM), Gaya–Saramatanr (93 RKM) and Bardhaman–Howrah (105 RKM). Beyond commissioned sections, the ministry said trackside implementation has been taken up on 24,427 route kilometres spanning the Golden Quadrilateral, Golden Diagonal and other high-density segments. Another update also cited trackside work taken up on 23,360 RKM, reflecting multiple reporting cut-offs.

Fresh project approvals and spending benchmarks

Indian Railways on Monday approved Kavach projects worth ₹341 crore covering 1,409 route kilometres across the Ambala Division of Northern Railway and the Ahmedabad Division of Western Railway. A second project worth ₹140 crore was sanctioned for installing Kavach Version 4.0 on 598 route kilometres covering 48 block sections of the Ahmedabad Division in Gujarat. The approvals were described as part of an umbrella programme for Kavach provision with an LTE-based communication backbone on balance routes.

The ministry has also provided unit cost estimates for Kavach deployment. Trackside Kavach infrastructure is estimated at about ₹0.50 crore per kilometre, while fitting Kavach on locomotives costs around ₹0.80 crore per engine. On cumulative spending, the ministry said ₹2,763.9 crore had been spent on Kavach implementation up to February 2026, with ₹1,673 crore allocated for FY2025–26. Another official update cited ₹2,573.36 crore utilised up to December 2025 and a FY2025–26 allocation of ₹1,673.19 crore.

Safety capex context: why Kavach is getting budget priority

The Kavach rollout sits within a broader safety and modernisation push that includes optical fibre expansion and electronic interlocking. Indian Railways approved multiple projects worth ₹1,364.45 crore to strengthen safety, signalling and communication across zones, including Kavach on locomotives, optical fibre expansion, and replacement of panel interlocking with electronic interlocking. Within this, ₹208.81 crore was sanctioned for onboard Kavach equipment on 232 locomotives in Southern Railway. The same set of updates also referenced ₹400.86 crore for optical fibre communication upgrades over 3,200+ route km in Northern Railway, ₹176 crore for 2,196 km fibre deployment in North Central Railway, and ₹578 crore for signalling upgrades in South Central Railway, including electronic interlocking at 49 stations (35 in Guntakal and 14 in Nanded).

The ministry also highlighted that expenditure on safety-related activities has increased from ₹39,200 crore in 2013–14 to ₹120,389 crore in 2026–27. Alongside new train introductions and electrification, the stated objective is to reduce accident risk by upgrading core systems that underpin train operations.

Key numbers at a glance

Market impact: procurement, signalling and execution focus

The story is less about a single stock move and more about the scale of railway capex and vendor execution across signalling, telecom, fibre, and onboard systems. The ministry’s unit cost benchmarks and disclosed spending levels provide a reference point for how costs can scale as coverage expands. SWR’s phased, costed plan also shows how zones are breaking deployment into manageable packages by route density and operational criticality. The separate approvals for Ambala and Ahmedabad divisions, along with corridor commissioning updates, indicate that Kavach is being expanded in parallel across multiple railways rather than sequentially zone-by-zone.

Analysis: what the SWR plan signals

SWR’s field tests in Bengaluru Division are a gating step, because Kavach is a system-of-systems deployment that depends on telecom uptime, signalling integration, and locomotive readiness. The zone’s decision to ring-fence Phase 1 for high-density critical routes aligns with the broader national approach of prioritising high-traffic corridors first. The locomotive earmarking at Krishnarajapuram and Hubballi sheds is a practical indicator of implementation maturity, as onboard fitment is often a pace-setter for operational rollout. At the national level, the disclosed figures for fibre, towers, trackside deployments and station data centres reinforce that Kavach expansion is tied to a wider shift toward electronic interlocking and stronger communications infrastructure.

Conclusion

SWR’s Standard Kavach field tests in Bengaluru Division and its phased deployment roadmap add a concrete zone-level view to Indian Railways’ larger Kavach 4.0 rollout. With July and August 2026 targets stated for select SWR sections, the next milestones to watch are corridor commissioning updates and progress on locomotive installations at the designated sheds.