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Indian Railways has approved Kavach Version 4.0 on 660 route km of the Izzatnagar Division of North Eastern Railway at an estimated Rs 295 crore.
Kavach is India's indigenous Automatic Train Protection system, designed to prevent Signal Passed at Danger incidents and train collisions.
The RailOne app, launched on 1 July 2025, has reached 4.76 crore downloads and averages 10 lakh ticket bookings a day.
About 19,700 km of fencing has been provided along railway tracks to prevent trespassing.
A four-lane Road Over Bridge has been sanctioned at Rs 153 crore on the Geratpur-Ahmedabad section of Western Railway.
Most serious railway accidents come down to a single failure mode: a train passing a signal set at danger. A loco pilot may misread a signal in fog, be distracted, or simply be unable to stop a heavy train in the distance available after sighting it. An Automatic Train Protection system removes the reliance on the driver seeing and reacting in time. Kavach continuously monitors where a train is and how fast it is moving, compares that against the signal aspects and permitted speed for the section ahead, and applies the brakes automatically if the driver does not. Because the system knows the position of other trains in the section, it also protects against head-on and rear-end collisions and against over-speeding. Two consequences follow that are easy to miss. First, an ATP system does not only prevent accidents; it allows trains to run safely at the maximum permissible speed, because the safety margin no longer depends on conservative driving. Second, it works in conditions where human sighting fails — the release specifically notes dense fog, which historically forces large-scale speed restrictions across the northern network every winter. Kavach was developed indigenously by the Research Designs and Standards Organisation with Indian industry partners, was originally called the Train Collision Avoidance System, and requires the highest order of safety certification, SIL-4. Version 4.0 is the current specification, and the Izzatnagar Division work is being carried out under an umbrella project that pairs Kavach with a Long-Term Evolution communication backbone — because the system depends on continuous, reliable radio communication between trackside equipment and locomotives.
Simple Analogy: Kavach is a co-driver who never blinks: it sees every signal, knows every speed limit, knows where the next train is, and takes the brake if you do not.
Prevent Signal Passed at Danger incidents and train collisions
Key: India's indigenous Automatic Train Protection system, developed by the Research Designs and Standards Organisation with Indian industry and originally known as the Train Collision Avoidance System. It monitors train movement continuously, applies brakes automatically when required, enables safe running at maximum permissible speeds and supports operation in dense fog. Adopted as the national ATP system, it carries SIL-4 safety certification
Bring every public-facing railway service onto one mobile platform
Key: Launched 1 July 2025; combines reserved, unreserved and platform ticketing with train and PNR enquiry and RailMadad, using Single Sign-On so passengers need not install multiple apps or remember several passwords
Provide near real-time train running information
Key: Implemented in 2000; delivers arrival and departure status and schedules through enquiry counters, the NTES website, Android and iOS apps and Rail Enquiry Number 139. Features include Spot Your Train, Live Station, Train Schedule and Trains between Stations. Its Android app launched in October 2014 and the iOS app in October 2015
Refund passengers automatically when a train is cancelled
Key: Refund is initiated immediately after the scheduled departure time and credited to the passenger's bank account, but only for e-tickets booked online; holders of counter tickets must visit a Passenger Reservation System counter
Prevent trespassing and stone pelting on trains
Key: About 19,700 km of fencing provided, with pedestrian subways for crossing by cattle, pedestrians and small vehicles. Operation SATHI runs awareness programmes in habitations adjacent to tracks; State Level Security Committees of Railways, chaired by each State's Director General or Commissioner of Police, review security arrangements
Eliminate level crossings and remove road-rail conflict
Key: A four-lane ROB sanctioned at Level Crossing No. 305 on the Geratpur-Ahmedabad section of Western Railway at Rs 153 crore, under the zone's umbrella work for road over and under bridges, foot over bridges and drainage improvement
The Ministry of Railways' research and standards body, which developed Kavach with Indian industry partners and approves its specification versions
Escorts trains, conducts drives against anti-social elements at vulnerable sections, coordinates with the Government Railway Police and local police, and runs awareness programmes including Operation SATHI
Reviews and monitors railway security arrangements in each State and UT
The division on which Kavach Version 4.0 has been approved for 660 route km
Kavach was developed by RDSO with Indian firms and is now the national ATP standard, making it a standard example of import substitution in safety-critical systems
Kavach addresses driver error, fencing addresses trespassing, and Road Over Bridges eliminate level crossings — three separate accident causes tackled by three separate programmes
RailOne's Single Sign-On consolidation of ticketing, enquiry and grievance redress, and NTES's 6 crore daily enquiries, illustrate scale in citizen-facing digital delivery
Because law and order is a State subject, the RPF depends on Government Railway Police and State police, coordinated through State Level Security Committees chaired by DGPs
Unreserved tickets still dominate RailOne volumes at 7.24 lakh a day against 2.79 lakh reserved, showing that digital adoption has reached the lower-fare segment rather than remaining confined to reserved travel
General Awareness > Indian Railways, Safety Systems and Services
General Awareness > Infrastructure and Technology
GS Paper 3 > Infrastructure > Railways; Indigenisation of Technology
Kavach and railway digital services are frequent in RRB exams and appear in SSC and UPSC infrastructure questions
India's indigenously developed Automatic Train Protection system, formerly the Train Collision Avoidance System, developed by RDSO with Indian industry and adopted as the national ATP standard
A train passing a signal displaying a stop aspect — the failure mode Kavach is primarily designed to prevent
A system that monitors train speed and position against signalling and applies brakes automatically if the driver does not respond
The official Indian Railways app launched on 1 July 2025, integrating reserved, unreserved and platform ticketing, train and PNR enquiry and RailMadad under Single Sign-On
The train running information system implemented in 2000, accessible through counters, the website, mobile apps and Rail Enquiry Number 139
The Railways' awareness programme in habitations adjacent to tracks, aimed at curbing stone pelting on moving trains