Abbreviations / Acronyms in Indian Railways

SN	Abbreviation/ Acronym	Expansion
1	AC	Alternating Current, Air conditioned
2	AAC	Anticipated Annual Consumption
3	ACD	Anti-Collision Device
4	ACP	Alarm Chain Pulling
5	AFRES  (Not in operation)	Advanced Finance Railway Earnings & Expenditure System
6	ARMV	Accident Relief Medical Van
7	ART	Accident Relief Train
9	AT welding	Alumino-Thermit welding
10	ATAS	Alternate Train Accommodation Scheme
11	AVCs	Avenue charts
12	BFR	Bogie Flat for Rails
13	BG	Broad Gauge
14	BOT	Build, Operate & Transfer
15	BPAC	Block Proving by Axle Counter
16	CAP.	Capital
17	CBC	Centre Buffer Coupler
18	CC	Closed Circuit
19	CGA	Controller General of Accounts
20	COD	Commercial Operation Date
21	COFMOW	Central Organisation For Modernisation Of Workshops
22	CONCERT	COuntry wide Network of Computerized Enhanced Reservation & Ticketing.
23	CONCOR	CONtainer CORporation of India Ltd
24	CORE	Central Orgnisation for Railway Electrification
25	CPOH	Central Periodical Over Hauling
26	Cr	Crores
27	CRF	Capital Recovery Factor
28	CRR	Centre for Railway Research ( at IIT/Kharagpur)
29	CSR	Corporate Social Responsibility
30	CTARA	Centralized Training Academy for Railway Accounts
31	DBFOT	Design, Built, Finance, Operate & Transfer
32	DEMU	Diesel Electric Multiple Unit
33	DF	Development Fund
34	DFC	Dedicated Freight Corridor
35	DGS&D	Director General of Supplies & Disposables
36	DHR	Dargeeling Himalayan Railways
37	DMRC	Delhi Metro Rail Corporation
38	DMU	Diesel Multiple Unit
39	DMW	Diesel loco Modernisation Works
40	DRF	Depreciation Reserve Fund
41	DRM	Divisional Railway Manager
42	EBR	Extra Budgetary Resources
43	EBR(IF)	Extra Budgetary Resources (Institutional Finance)
44	EBR(PPP)	Extra Budgetary Resources (Public Private Partnership)
45	EMU	Electrical Multiple Unit
46	EOL	Engine On Load
47	EPC	Engineering Procurement & Construction
48	ETKM	Equated Train Kilo Metres
49	FB welding	Flash Butt welding
50	FIRR	Financial Internal Rate of Return
51	FLS	Final Location Survey
52	FRBM	Fiscal Responsibilities & Budget Management (act)
53	FSN	Fast, Slow & Non-moving
54	FWU	Four-wheeler Units
55	G&SR	General & Subsidiary Rules
56	GAAR	General Anti-Avoidance Rules (w.e.f 01.04.2016)
57	GASAB	Government Accounting Standards Advisory Board
58	GB	Green Book
59	GM	General Manager
60	GPS	Global Positioning System
61	GSP	Generalised System of Preferences
62	GTKMs	Gross Tonne Kilometres
63	HMR	Hyderabad Metro Rail
64	HOD	Head of Department
65	Hq.	Headquarter
66	HSR	High Speed Rail
67	IAS	International Accounting Standards
68	ICD	Inland Container Depot
69	ICF	Integral Coach Factory
70	ICMS	Integrated Coaching Management System
71	IFRS	International Financial Reporting Standards
72	IGAS	Indian Government Accounting Standards
73	IND AS	Indian Accounting Standards
74	IOH	Intermediate Over Haul
75	IPS	Integrated Power Supply
76	IR	Indian Railways
77	IRCA	Indian Railways Conference Association
78	IRCOT	Indian Railways Central Organisation for Telecom
79	IRFA	Indian Railway Financial Adjustments
80	IRISET	Indian Railway Institute for Signal Engineering& Telecommunication
81	IRR	Internal Rate of Return
82	IRS	Indian Railway Standards
83	IRSDC	Indian Railway Station Development Corporation
84	ISD	Indian Stores Department
85	IT	Information Technology
86	IVRS	Interactive Voice Response System
87	KMRCL	Kolkata Metro Rail Corporation Ltd
88	LAN	Local Area Network
89	LC gate	Level Crossing Gate
90	LHS	Limited Height Subway
91	LV	Last Vehicle
92	LWR	Long Welded Rails
93	M&P	Machinery & Plant
94	MACLS	Multiple Aspect colour light signaling
95	MEMU	Mainline Electric Multiple Unit
96	MFC	Multi Functional Complex
97	MG	Metre Gauge
98	MMTS	Multi Modal Transport System
99	MMU	Mobile Mechanised Units
100	MPLAD	Member of Parliament Local Area Development
101	MRTS	Mass Rapid Transit System
102	MRV	Medical Relief Van
103	MRVC	Mumbai Rail vikas Corporation
104	MTRC	Mobile Train Radio Communication
105	MUTP	Mumbai Urban Transport Project
106	NBFC	Non Banking Financial Corporation
107	NCR	North Central Railway
108	NG	Narrow Gauge
109	NRUCC	National Railway Users Consultative Council
110	NRVY	National Rail vikas Yojana
111	NTES	National Train Enquiry System
112	NTXR	Neutral Train Examiner
113	O & M charges	Operations & Maintenance charges
114	OBHS	On Board Housekeeping Services
115	OFC	Optical Fibre Cable
116	OHE	Over-head Equipment
117	PB	Pink Book
118	PETS	Preliminary Engineering Cum Traffic Survey
119	PFT	Private Freight Terminal
120	PIS	Passenger Information System
121	POL	Petrolium, Oil & Lubricants
122	ppm	Parts per Million
123	PRCL	Pipavav Railway Corporation Ltd.
124	PRIME	Payroll and Related Independent Modules
125	PSC sleepers	Pre-stressed Concrete Sleepers
126	PSC sleepers	Pre Stressed Concrete sleepers
127	R&D	Research & Development
128	R3i	Railway's  Infrastructure for Industry Initiative
129	RAR	Revenue Allocation Register
130	RCC	Railway Convention Committee
131	RCF	Rail Coach Factory
132	RCIL	Railtel Corporation of India Ltd.
133	RCRV	Rail Cum Road Vehicle
134	RDSO	Research Design and Standards Organization
135	Rev.	Revenue
136	RFP	Request For Proposal
137	RFQ	Request For Quotation
138	RFTP	Request For Technical Proposal
139	RKms	Route Kilometers
140	RLDA	Rail Land Development Authority
141	RMS	Rake Management System
142	ROB/RUB	Road over bridge/Road under bridge
143	ROH	Routine Overhaul
144	RPF	Railway Protection Force
145	RRB	Railway Recruitment Board
146	RRI	Route Relay Interlocking
147	RRTS	Regional Rapid Transport System ( Delhi suburban)
148	RSF	Railway Safety Fund
149	RSP	Rolling Stock Programme
150	RSPB	Railway Sports Promotion Board
151	RSRC	Railway Safety Review Committee
152	RTIS	Real time Train Information System (another name SIMRAN)
153	SIMRAN	Satellite IMaging for RAil Navigation (in collaboration with IIT/Kanpur)
154	SLR	Seating cum Luggage Rake (Guard’s Brake Van)
155	SPAD	Signal Passed At Danger
156	SPART	Self- Propelled Accident Relief Trains
157	SPURT Car	Self Propelled Ultrasonic Rail Testing Car
158	SPV	Special Purpose Vehicle
159	SRSF	Special Railway Safety Fund (ceased in 2008 year)
160	SST	Self Stabilizing Track
161	STC	Systems Training Centre
162	TAWD	Train Actuated Warning Device
163	TCAS	Train Collision Avoidance System
164	TEU	Twenty-foot Equivalent Unit (used in containers/ships) (20x8x8 feet)
165	TMS	Terminal Management System
166	TOR	Turn Over Ratio
167	TPWS	Train Protection Warning System
168	TRANSLOC	Transport Logistics Corporation of India
169	TRC	Track Recording Car
170	TTM	Tie Tamping Machines
171	TVU	Train Vehicle Unit
172	TWFA	Transfer Without Financial Adjustments
173	UIC	International Union of Railways (french word-Union internationale des chemins de fer)
174	USBRL	Udhampur, Sri nagar, Baramullah Rail Link (345 km)
175	USFD	Ultra Sonic Flaw Detector
176	UTS	Ultimate Tensile Strength
177	UTS	Unreserved Ticketing System
178	VCD	Vigilance Control Device
179	VED	Vital, essential & Desired
180	VGF	Viability Gap Fund
181	VPN	Virtual Private Network
182	w.r.t	With respect to
183	WAN	Wide Area Network
184	WGR	Workshop General Register
185	ZISTUs	Zonal  Integrated Signal and Telecom Units.
186	ZTC	Zonal Training Centre