Indian Railways coaching stock - wikipedia Indian Railways coaching stock Indian Railways offers various travel classes on their coaches. Depending upon their travel class, the passenger cars feature different seating arrangements or berths subject to availability. Contents 1 Coaches 2 Classification of berths 3 Gallery 4 See also 5 References 6 External links Coaches The following table lists combinations of class - accommodations in normal operation. Class Description 1A AC first class : The most expensive class, with fares almost on par with airfares. There are eight cabins ( including two coupes ) in full AC first class coach and three cabins ( including one coupe ) in half AC first class coach. The coach has an attendant, and bedding is included in the fare. This air - conditioned coach, present only on popular routes, can carry 18 passengers ( full coach ) or 10 passengers ( half coach ). 2A AC two tier : These air - conditioned coaches have sleeping berths across eight bays. Berths are usually arranged in two tiers in bays of six : four across the width of the coach and two lengthwise across the corridor, with curtains along the corridor. Bedding is included in the fare. A coach can carry 48 ( full coach ) or 20 passengers ( half coach ). FC First class : Similar to 1A, but without air - conditioning. No bedding is available in this class, and the berths are narrower than 1A. There is an attendant. Only heritage trains still have this class. 3A AC three tier : Air - conditioned coaches with 64 sleeping berths. Berths are similar to 2A, but with three tiers across the width and two lengthwise for eight bays of eight. They are slightly less well - appointed, usually with no reading lights or curtains. Bedding is included in the fare. 3E AC three tier ( economy ) : Air - conditioned coaches with sleeping berths on the Garib Rath Express. Berths are usually arranged as in 3A, but with three tiers across the width and three lengthwise. Appointments are similar to 3A but bedding is not included. EC Executive chair car : An air - conditioned coach with spacious seats and legroom. With four seats in a row, it is used for intercity day travel and is available on the Tejas and Shatabdi Express. CC AC chair car : An air - conditioned coach with five seats in a row, used for intercity day travel. Air - conditioned double - deck coaches are used on the Double Decker Express. SL Sleeper class : The sleeper class is the most common coach on IR, with ten or more SL coaches attached to a train rack. They are sleeping coaches with three berths across the width and two lengthwise, without air - conditioning. They carry 72 passengers per coach. 2S Second seater : similar to CC, without air - conditioning. Double - deck second seaters are used on the Flying Ranee. UR / GEN Unreserved / General : The least expensive accommodation. Seats are not guaranteed. Tickets are valid on any train on a route if used within 24 hours of purchase. Classification of berths Berths are classified as follows : LB = Lower Berth. MB = Middle Berth ( Found only in 3A, 3E and SL classes ). UB = Upper Berth. SLB = Side Lower Berth. SUB = Side Upper Berth. SMB = Side Middle Berth ( Found only in 3E class ). In older ICF rakes, 3 - tier AC coaches ( AC ) would normally have 64 seats / berths while Sleeper coaches ( SL ) would have 72 seats / berths. Each coach would have four entrances, two on either side of the coach and two at their ends. These coaches had the seat / berth numbers painted above each of the windows, in roman numerals. The Higher classes have reduced seating / berth capacity to create comfort space for passengers. New LHB rakes have 72 seats / berths for 3 - tier AC coaches ( 3A ). Middle berths are found in 3 - tier AC Economy coaches ( 3E ). The `` Second seat '' coaches have 108 seats and with two additional entrances in the middle of the coaches on either side. These coaches have a total of six entrances. Gallery AC First Class ( 1A ) compartment in the Rajdhani Express AC Chair Car Coach ( CC ) in an Jan Shatabdi Express. AC Chair Car ( CC ) coach in a Shatabdi Express. AC Three Tier ( 3A ) compartment of the Dakshin Express A Sleeper Class ( SL ) coach. See also Railways in India portal Rail transport in India References Jump up ^ `` Accommodation Classes in Indian Railways ''. Indian Railways. Retrieved 15 November 2016. Jump up ^ `` General Information on travelling by IR ''. IRFCA.org. Indian Railways Fan Club. Retrieved 3 June 2007. Jump up ^ `` Class of Travel ''. indiarail.co.uk. S.D. Enterprises Ltd. Retrieved 3 June 2007. External links Indian Railways - Online Passenger Reservation Site Providing Availability etc... Indian Railway Catering and Tourism Corporation Limited - Online Passenger Reservation Site Indian Railways Authority Ministry of Railways Railway Board Related Organisations BWE BSC Braithwaite & Co. CCI DFCCI HSRI IRFC IRCTC Ircon International KRC MRVC RVNL RailTel RITES CORE COFMOW RDSO CRIS RRCB RLDA Zones Central Railway East Central Railway East Coast Railway Eastern Railway North Central Railway North Eastern Railway North Western Railway Northeast Frontier Railway Northern Railway South Central Railway South East Central Railway South Eastern Railway South Western Railway Southern Railway West Central Railway Western Railway Konkan Railway Rolling stock Locomotives of India MEMU Wagon numbering system in India Manufacturing units Chittaranjan Locomotive Works, Chittaranjan Diesel Locomotive Factory, Marhowra Diesel Locomotive Works, Varanasi Diesel - Loco Modernisation Works, Patiala Electric Locomotive Factory, Madhepura Integral Coach Factory, Chennai Modern Coach Factory, Raebareli Rail Coach Factory, Kapurthala Rail Wheel Factory, Bengaluru Rail Wheel Plant, Bela Railway depots Diesel Abu Road Agra Bandra Marshalling Yard Bhagat ki Kothi Ernakulam Erode Golden Rock Gooty Guntakal Kalyan Mhow Pune Samastipur Ratlam Vatwa Phulera Kurla Itarsi Tughlakabad Raipur Tondiarpet Kazipet Maula Ali Krishnarajapuram Vishakhapatnam Shakurbasti Ludhiana Lucknow Mughalsarai Jhansi Gwalior Izzatnagar Malda Town Siliguri Howrah Andal Burdwan Jamalpur Patratu Samastipur Kharagpur Bondamunda Bokaro Steel City Neral Hubli Electric Ajni Bhusawal Kalyan Angul Visakhapatnam Mughal Sarai Asansol Howrah Jhansi Gonda Ghaziabad Khanalampura Ludhiana Vijayawada Kazipet Lalaguda Bhilai Bokaro Steel City Bondamunda Santragachi Tatanagar Arakkonam Erode Royapuram Itarsi New Katni Tuglakabad Valsad Vadodara Gomoh MEMU Kollam Vadodara Bhilai Rajahmundry Asansol Palakkad EMU Mumbai Central Kandivali Virar Rajahmundry Sanpada Kalwa Tambaram Avadi Maula Ali Ghaziabad Gholsapur Barasat Bandel Howrah Sealdah Sonarpur Tikiapara Panskura Kharagpur Kurla Shakurbasti Main lines and Suburban lines Chennai Suburban Railway Chennai MRTS Delhi Suburban Railway Howrah -- Allahabad -- Mumbai line Howrah -- Chennai main line Howrah -- Delhi main line Howrah -- Gaya -- Delhi line Howrah -- Nagpur -- Mumbai line Hyderabad MMTS Kolkata Suburban Railway Mumbai -- Chennai line Mumbai Suburban Railway New Delhi -- Chennai main line New Delhi -- Mumbai main line Pune Suburban Railway Passenger trains Antyodaya Express AC Express Express trains Fast Passenger Double Decker Express Duronto Garib Rath Express Gatimaan Express Humsafar Express Intercity Express Jan Sadharan Express Jan Shatabdi Express Kavi Guru Express Mahamana Express Premium Express ( Suvidha Express ) Rajdhani Express Rajya Rani Express Shatabdi Express Sampark Kranti Express Superfast Express Tejas Express Train 18 ( replace Shatabdi ) Train 20 ( replace Rajdhani ) Uday Express Vivek Express Yuva Express Special trains Lifeline Express Red Ribbon Express Sanskriti Express Science Express Luxury trains Fairy Queen Deccan Odyssey Maharajas ' Express Palace on Wheels Royal Orient Train Royal Rajasthan on Wheels Golden Chariot Mahaparinirvan Express Training institutes Indian Railway Institute of Civil Engineering Indian Railway Institute of Electrical Engineering Indian Railways Institute of Mechanical and Electrical Engineering Indian Railway Institute of Signal Engineering and Telecommunications Indian Railway Institute of Transportation Management Railway Protection Force Academy Railway Staff College Trade unions All India Station Masters ' Association ( AISMA ) All India Railwaymen 's Federation ( AIRF ) All India Railway Employees ' Confederation ( AIREC ) Related articles Railway Budget Railway Schools Last vehicle board RailRadar Indian Railways Fan Club Templates Portal WikiProject Retrieved from `` https://en.wikipedia.org/w/index.php?title=Indian_Railways_coaching_stock&oldid=825663891 '' Categories : Railway coaches of India Talk Contents About Wikipedia മലയാളം Edit links This page was last edited on 14 February 2018, at 17 : 47. Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: how many seats in 3 tier ac coach
Answer: 72