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Union Minister Shri Ashwini Vaishnaw inspects the trial of Kavach System

Secunderabad:4/3/22: Shri Ashwini Vaishnaw, Union Minister of Railways, Communication and Electronics & Information Technology inspected the trial of ‘Kavach’ working system between Gullaguda-Chitgidda Railway stations on Lingampalli-Vikarabad section in Secunderabad Division of South Central Railway. Shri V.K.Tripathi, Chairman & CEO, Railway Board and other senior officials were also present on this occasion.

In the presence of the Hon’ble Union Minister, extensive trial of ‘Kavach’ was conducted. Hon’ble Minister was onboard the locomotive which moved from Gullaguda towards Chitgidda. Shri V.K.Tripathi, Chairman and CEO, Railway Board was onboard the locomotive which moved from Chitgidda towards Gallaguda. During the trial, a Head-on-collision situation was created as both the locomotives were moving towards each other. The ‘Kavach’ system initiated the automatic braking system and halted the locomotives 380 meters apart. Also, crossing the red signal was tested; however, the locomotive did not cross the red signal as ‘Kavach’ necessitated the application of brakes automatically. The automatic whistle sound was loud and clear when gate signal approached. The crew did not manually touch the sound and braking system during the trial. The speed restriction of 30 Kmph was tested when the locomotive was run on loop line. ‘Kavach’ automatically reduced the speed to 30 Kmph from 60 Kmph as the locomotive entered the loop line.


The KAVACH is an indigenously developed ATP system by Research Design and Standards Organisation (RDSO) in collaboration with Indian industry and trials facilitated by South Central Railway to achieve the corporate objective of safety in train operations across Indian Railways. It is a state-of-the-art electronic system of Safety Integrity Level – 4 standards.

KAVACH is meant to provide protection by preventing trains to pass the signal at Danger (Red) and avoid a collision. It activates the train braking system automatically if the driver fails to control the train as per the speed restrictions. In addition, it prevents collision between two Locomotives equipped with a functional KAVACH system.

‘Kavach’ is one of the cheapest, Safety Integrity Level 4 (SIL-4) certified technologies with the probability of an error being 1 in 10,000 years. Also, it opens avenues of export of this indigenous technology for Railways.

Features of KAVACH

  1. Prevention of Signal Passing at Danger (SPAD)
  2. Continuous update of Movement Authority with display of signal aspects in Driver Machine Interface (DMI) / Loco Pilot operation cum Indication Panel (LPOCIP)
  3. Automatic Braking for Prevention of Over Speeding
  4. Auto Whistling while approaching Level Crossing Gates
  5. Prevention of collision between two Locomotives equipped with functional KAVACH
  6. SoS Messages during emergency situations
  7. Centralized live monitoring of Train movements through the Network Monitor System.


96% of railway Traffic is carried on Indian Railway High-Density Network and Highly Used Network routes. To transport this traffic safely, KAVACH works are being taken up in a focused manner as per the following priority set by the Railway Board.

  1. First Priority: High-Density Routes and on New Delhi – Mumbai & New Delhi – Howrah Sections for 160 Kmph with Automatic Block Signaling & Centralized Traffic Control. Since such sections have higher chances of human errors on part of drivers resulting in accidents as trains run closer to each other.
  2. Second Priority: On the Highly Used Networks with Automatic Block Signaling & Centralized Traffic Control.
  3. Third Priority: On other Passenger High-Density Routes with Automatic Block Signaling.
  4. Fourth Priority:  All other routes.

As a part of Atmanirbhar Bharat, 2,000 km of network will be brought under Kavach for safety and capacity augmentation in 2022-23. Around 34,000 Kms of network will be brought under Kavach.

About Editor in chief

Ashok Palit has completed his graduation from Upendranath College Soro, Balasore and post graduation from Utkal University in Odia Language and literture.. He has also carved out a niche for himself as a scribe of eminence after joining the profession in 1988. He is also an independent media production professional. He brings loads of experience to Advanced Media, Ashok Palit as a cineaste has been active in film criticism for over three decades. As a film society activist, he soared to eminence for his profound commitment to the art film appreciation and aesthetics of cinema. His mode of discourse is often erudite but always lucid and comprehensible marked by a perfect acumen so rare in the field. A film aesthete with an immense fond of critical sensibilities, he wrote about growth and development of odia cinema in New Indian Express, The Times of India, The Hindustan Times, The Asian Age and Screen. He has been working as an Editor for Cine Samaya from 2002-2004.. He had made solid contribution on cinema in many odia Dailies and weekly such as Samaj, Prajatantra, Dharatri, Samaya, Satabadi, and weekly Samaya.

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