SignalApp For Railways

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About this app

SignalApp is the all-in-one knowledge & productivity app built for Indian Railway employees — across Signal & Telecom, Civil, Mechanical, Electrical, Operating, Commercial, Personnel, Stores, Accounts and every other department.

Trusted by 10,000+ railwaymen since 2019 — now completely rebuilt, faster and cleaner.

⭐ WHAT YOU GET

📖 Rules & References
• General & Subsidiary Rules (GR&SR) with instant search
• Railway Keyword & Relay dictionaries
• Inspection & maintenance checklists

📜 Railway Board Circulars
• Latest RB circulars by department — Establishment, Pay Commission, Finance, Safety, Commercial, Traffic & more
• Never miss a new circular again

📗 RDSO, CAMTECH & Technical
• RDSO specifications & standards
• CAMTECH publications
• Codes, manuals & rulebooks — download & read offline

🎯 Latest CBT Q&A
• 6,000+ real previous-year exam questions
• Department-wise practice in Study or Exam mode

🧠 Rail Gyani — AI Q&A
• Ask any railway question and get instant answers grounded in real RDSO documents

📚 Study Material & Notes
• Department-wise study PDFs + SignalApp exclusive notes
• Download once, read offline anytime

📲 Status Updates (NEW)
• Share news, images & links with fellow railwaymen — instantly
• Daily GR&SR, quizzes & official updates from SignalApp

💼 Job Alerts
• All-India railway & other recruitment alerts as they drop

Also inside: 8 Indian languages, light & dark themes, Refer & Earn, secure Google sign-in, and dedicated in-app support.

📌 SOURCES OF INFORMATION
Railway rules, circulars, specifications and technical documents shown in this app are collected from the following publicly available official sources:
• Indian Railways / Railway Board — https://indianrailways.gov.in
• RDSO (Research Designs & Standards Organisation) — https://rdso.indianrailways.gov.in
• CAMTECH (Centre for Advanced Maintenance Technology) — https://camtech.indianrailways.gov.in
• Railway Board Telecom (Railnet) — https://telerb.railnet.gov.in
• Press Information Bureau, Ministry of Railways — https://pib.gov.in
• Railway Recruitment Boards (RRB) — https://rrb.indianrailways.gov.in
• RRB Ajmer — https://rrbajmer.gov.in

Additional (non-government) content sources:
• Job alerts — https://www.freejobalert.com
• Rail & metro news — https://metrorailnews.in
• Video content — https://www.youtube.com
Rail Gyani AI answers are generated by an AI model using the RDSO documents above and may contain errors — always verify against the original document. The Railway Keyword Dictionary, Relay Dictionary and SignalApp Notes and CBT Q&A are compiled by the SignalApp team.

⚠️ DISCLAIMER
SignalApp is an independent, third-party app made by railway employees for railway employees. It is NOT an official Government of India or Indian Railways application, and is NOT affiliated with, endorsed by, or representing Indian Railways, RDSO, CAMTECH, the Railway Board, or any government entity. All government information is aggregated from the publicly available official sources listed above; for authoritative and up-to-date information, always refer to those official sources. Trademarks and content belong to their respective owners.

What’s new

A complete rebuild of SignalApp — faster, cleaner and packed with new features:
• NEW Status updates — share & read updates with fellow railwaymen
• 6,000+ CBT previous-year questions
• Rail Gyani AI Q&A over RDSO documents
• Star your favourite sections
• Download notes & manuals for offline reading
• Refer & Earn, dark mode, 8 languages and more
Thank you for being with us since 2019. 🚂