Key Points
- Indian Railways approves ₹398.36 crore optical fibre project for Ahmedabad and Ratlam divisions
- Project covers 1,929 route kilometres to support Kavach train safety system
- Work falls under ₹27,693 crore national plan for railway communication backbone
The Indian Railways has approved a ₹398.36 crore optical fibre cable project to strengthen communication infrastructure across the Ahmedabad and Ratlam divisions of Western Railway, according to an official announcement on Saturday.
The project will lay high-capacity fibre optic cables along 1,929 route kilometres across Gujarat and Madhya Pradesh. This communication backbone is essential for operating Kavach, the indigenous train collision avoidance system that Indian Railways is deploying across its network.
The approval comes as part of a larger push to modernise railway communications ahead of the Kavach rollout. Without reliable high-speed data networks along tracks, the safety system cannot function as designed.
Under the approved work, contractors will install cables containing 48 optical fibres each along two parallel routes. The Ahmedabad division will receive coverage across 1,456 route kilometres, while the Ratlam division will see cables laid across 473 route kilometres.
Optical fibre cables transmit data as pulses of light through thin glass strands, allowing far higher speeds and reliability than traditional copper wires. The 48-fibre configuration provides redundancy, meaning if some fibres fail, others can carry the load.
The project forms part of a ₹2,800 crore sub-umbrella work sanctioned specifically for Western Railway. This falls under a national programme titled ‘Provision of Kavach with communication backbone of Long Term Evolution (LTE) on balance routes of Indian Railways’, which carries a total sanctioned cost of ₹27,693 crore under Works Programme 2024–25.
Why Kavach Needs This Infrastructure
Kavach, which means ‘armour’ in Hindi, is a train protection system developed by the Research Design and Standards Organisation under the Railway Ministry. The system uses continuous radio communication between trains and trackside equipment to prevent collisions and over-speeding.
For Kavach to work, trains must exchange real-time data with control centres and trackside units. LTE, which stands for Long Term Evolution and is the same technology that powers 4G mobile networks, provides this communication layer. The optical fibre backbone carries this data between stations, signal posts and control rooms.
Without a reliable fibre network, the wireless LTE signals transmitted by Kavach equipment would have no way to reach central systems for processing and response. The cables essentially form the nervous system through which safety-critical information travels.
Impact on Indian Railways Passengers and Operations
Western Railway serves lakhs of passengers daily across Gujarat, Rajasthan, Madhya Pradesh and Maharashtra. The Ahmedabad division handles major routes connecting the city to Mumbai, Delhi and other metro centres. The Ratlam division covers crucial freight and passenger corridors in central India.
Once operational, the upgraded communication infrastructure will allow faster data transmission for train tracking, signalling commands and emergency communications. Passengers may see improved real-time train status updates, while railway operations teams will gain better visibility of train movements across the network.
The fibre network will also support future digital applications beyond Kavach, including video surveillance systems at stations, automated announcements and integrated control room operations.
The Railway Board approval clears the project for tendering and contractor selection. Western Railway will now prepare detailed project reports and begin the procurement process for cable laying and associated equipment.
The ministry has not announced a specific completion deadline for the Ahmedabad and Ratlam divisions work. However, the umbrella project falls under the 2024–25 works programme, indicating the government intends to complete the national communication backbone within the current planning cycle.
Indian Railways has set a target of covering its entire broad gauge network with Kavach by 2028–29. The optical fibre rollout across Western Railway represents one segment of this nationwide safety infrastructure upgrade.
Your Questions, Answered
What is the Indian Railways optical fibre project for Western Railway?
The Indian Railways has approved a ₹398.36 crore project to lay optical fibre cables across 1,929 route kilometres in the Ahmedabad and Ratlam divisions. The cables will support Kavach train safety system and modern railway communications.
What is Kavach and why does it need optical fibre cables?
Kavach is an indigenous train collision avoidance system that uses continuous radio communication between trains and trackside equipment. The optical fibre cables carry data between stations and control rooms, forming the backbone that makes real-time safety communication possible.
Which railway divisions will benefit from this optical fibre project?
The Ahmedabad division will receive coverage across 1,456 route kilometres, while the Ratlam division will see cables laid across 473 route kilometres. Both divisions fall under Western Railway.
How does this project fit into the national railway modernisation plan?
The project falls under a ₹27,693 crore national programme for Kavach deployment with LTE communication backbone. Indian Railways aims to cover its entire broad gauge network with Kavach by 2028–29.

