Train numbering in India
In accordance with an Indian Ministry of Railways decision, Indian Railways switched from its previous four-digit numbering system for passenger trains to a five-digit system on December 20, 2010.
First digit
The first digit of the train number indicates the type of train:- 0 : Special trains, such as summer, holiday and exam specials and trains to clear large passenger loads
- 1 or 2 : Long-distance trains, such as superfast express trains or express trains
- 3 : Kolkata Suburban Railway
- 4 : Other suburban trains, such as the Chennai and Delhi Suburban Railways and the Hyderabad Multi-Modal Transport System
- 5 : Passenger trains with conventional coaches
- 6 : MEMU service
- 7 : Diesel multiple units and railcars
- 8 : Suvidha Express trains
- 9 : Mumbai Suburban Railway and Vande Metro
Second digit
If the first digit is 0, 1 or 2, the second digit indicates the railway zone:- 0 : Konkan Railway
- 0 : It is a new nomenclature used by railways to designate superfast or premium category trains
- 1 : Central Railway trains, some [West Central Railway zone|Central Railway zone|West Central] and North Central Railway trains
- 2 : The Rajdhani, Shatabdi, Jan Shatabdi, Garib Rath, Duronto, Sampark Kranti and Gatimaan Express and all other superfast trains
- 3 : Eastern Railway and East Central Railway trains
- 4 : Northern Railway trains, some North Central and [North Western Railway zone|North Western Railway zone|Western Railway] trains
- 5 : Northeast Frontier and [North Eastern Railway zone|Eastern Railway zone|North Eastern Railway] trains
- 6 : Southern Railway and some South Western Railway trains
- 7 : South Central and some South Western Railway trains
- 8 : South Eastern, [South East Central Railway zone|East Central Railway zone|South East Central] and East Coast Railway trains
- 9 : Western and some West Central and North Western Railway trains
- 0 to 7 :
- *31XXX: From Sealdah towards
- *32XXX: From Sealdah towards Dankuni
- *33XXX: From Sealdah towards Barasat
- *34XXX: From Sealdah towards Ballygunge Junction
- *35XXX From Barddhaman Junction towards Katwa Junction
- *36XXX: From Howrah towards Dankuni
- *37XXX: From Howrah towards Bandel Junction
- 8 or 9 : May indicate destination or branch line
- 0 to 4 :
- *40ZXX: See [|Third digit] section below
- *41XXX: From Chennai Beach to Velachery
- *42XXX: From Moore Market to Gummidipundi
- *43AXX: See Third digit section below
- 5 or 6 : Northern Railway zone
- 7 : South Central Railway zone
- 0 : Konkan Railway
- 1 : Some Central and West Central Railway zone trains
- 2 : Some Northern, North Central, North Western, North Eastern and East Central Railway zone trains
- 3 : All Eastern and some East Central Railway zone trains
- 4 : Some Northern, North Central and North Western Railway zone trains
- 5 : Northeast Frontier and some North Eastern Railway zone trains
- 6 : Some Southern and South Western Railway zone trains
- 7 : South Central and some South Western Railway zone trains
- 8 : South Eastern, South East Central and East Coast Railway zone trains
- 9 : Western and some West Central and North Western Railway zone trains
the second digit identifies the railway zone where the train is operated or maintained:
- 0 to 4 :
- *90XXX: Originating and terminating at Virar
- *91XXX" Originating and terminating at Vasai Road-Bhayander
- *92XXX: Originating and terminating at Borivali
- *93XXX: Originating and terminating at Malad-Goregaon
- *94XXX: Originating and terminating at Andheri-Bandra-Mumbai Central-CSMT
- 5 to 9 :
- *95XXX: Fast trains
- *96XXX: Slow trains travelling beyond Kalyan
- *97XXX: Slow trains to the Harbour line
- *98XXX: Slow trains to the Trans-Harbour line
- *99XXX: Slow trains not travelling beyond Kalyan
Third digit
If the first digit is 0, 1 or 2 and the second digit is 2, the third digit identifies the railway zone where the train is maintained, except for 0 :- 1 : Central and some West Central zone trains
- 2 : Some Northern, North Central, North Western and Southern zone trains
- 3 : Eastern and East Central zone trains
- 4 : Some Northern, North Central and North Western zone trains
- 5 : Northeast Frontier and North Eastern zone trains
- 6 : Some Southern and South Western zone trains
- 7 : South Central and some South Western zone trains
- 8 : South Eastern, South East Central and East Coast zone trains
- 9 : Western, some West Central and North Western zone trains
- 01:
- 10: -
- 11: -
- 12:
- 13: -
- 14: -
- 16:
- 30:
- 31:
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- 52: -
- 53: -
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- 56:
- 57: -
- 58: Lumding-Alipurduar
- 59:
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- 66: -
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- 400XX: Chennai Beach and Tambaram
- 401XX: Chennai Beach and Tambaram
- 403XX: Chennai Beach and Tambaram
- 404XX: Chennai Beach and Tambaram
- 405XX: Chengalpattu and Tambaram
- 406XX: Chengalpattu and Tambaram
- 407XX: Chengalpattu and Tirumalpur
- 408XX: Chengalpattu and Kanchipuram
- 430XX: Chennai Central and Avadi
- 431XX: Chennai Central and Pattabiram
- 432XX: Chennai Central and Thiruvalluvar
- 434XX: Chennai Central and Arakkonam
- 435XX: Chennai Central and Thiruttani
- 436XX: Chennai Beach and Avadi
- 438XX: Chennai Beach and Arakkonam
- 4N0XX: DUK section
- 4N1XX: Delhi Shahdara–Shamali section
- 4N2XX: Ghaziabad–Meerut City section
- 4N5XX, 4N6XX: Ghaziabad–Hapur section, towards Aligarh
- 4N7XX: Shakur Basti–Rohtak section
- 4N8XX: Ring Railway
- 01:
- 10: -
- 11: -
- 12:
- 13: -Kolhapur
- 14: -
- 16:
- 20: -
- 21: -
- 22: -
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- 58: -
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- 86: -
- 90:
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- 99:
- 1 : Central and West Central zones, Konkan Railway and some North Central zone trains
- 2 : As authorized by the Railway Board
- 3 : Eastern zone and a some East Central zone trains
- 4 : Northern zone and some North Central and North Western zone trains
- 5 : Northeast Frontier and North Eastern zone and some East Central zone trains
- 6 : Southern zone and some South Western zone trains
- 7 : South Central and some South Western zone trains
- 8 : South Eastern, South East Central and East Coast zone trains
- 9 : Western and some North Western zone trains
Fourth and fifth digits
The fourth and fifth digits are random numbers, making each five-digit train number unique. However, on the Delhi Suburban Railway the fourth digit indicates the following:- 0 to 2: MEMU
- 3 to 5: Electric multiple unit
- 6 and 7: Conventional passenger coach
- 8: Diesel multiple unit
- 9: Other rolling stock