Vande Bharat Sleeper is a self-propelled overnight trainset, CRS-cleared to 180 km/h, but only one route (Howrah-Kamakhya) is commercial as of August 2026. Kav…
India's first self-propelled, distributed-traction trainset entered service as the Vande Bharat Express in February 2019 -- the architecture every later variant, includi…
RDSO developed the indigenous Train Collision Avoidance System (TCAS) with domestic vendors from around 2020, later certified to Safety Integrity Level 4 (SIL-4) and reb…
RDSO approved the Kavach 4.0 specification on July 16, 2024. On September 1, 2024, BEML unveiled the first Vande Bharat Sleeper prototype -- a 16-coach rake with 823 ber…
Under Commission of Railway Safety supervision, the prototype peaked at 180 km/h on December 30, 2025 -- above its 160 km/h design speed, clearing the technical path to…
PM Modi inaugurated the Howrah-Kamakhya Vande Bharat Sleeper Express on January 17, 2026; commercial service began January 23, 2026 -- trains 27575/27576, roughly 14 hou…
Commissioned coverage rose fast: 1,452 route km by January 30, 2026; the Vadodara-Nagda section (224.51 route km) on March 30, 2026; 2,490 route km by July 13; and 2,633…
On August 12, 2026, Kavach 4.0 was approved (not yet commissioned) across 660 route km of the Izzatnagar Division at an estimated Rs 295 crore. Delhi-Patna, Delhi-Amrits…
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