IF ANY EXPLANATION U FEEL AS NOT CORRECT PLEASE CONTACT ANY OTHER MEMBERS WHO KNOW MORE BETTER THAN ME.
Vande Bharat: India's Pride as Mini Bullet Train. All are A/c Coaches but not DD.
Gatiman: Counted as Mini Bullet train before Vande bharat. SF & All are A.c Coaches
Rajadhani: A Undisputed Kind of IR trackes have only A/c class and Top Prioritized train....
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Shatabdi : Before Vande bahrat and Gatiman King of IR Tracks. All are A.c Coaches and top Priority train. Runs as Intercity which return same day to Originating Station. GHY-NHLN shatabdi is diferent it runs each day on one side (Weekly Thrice.)
Duronto: A Top Priority train like Rajdhani Which is counted as 3rd Prioorty train in IR as i know. have all reserved classes except General Class.Some are only A/c Trains. Have very less halts even compared with Rajdhani.
Tejas: A ICE Train with all A/c Coaches and Prioritied train. All are not SF but priority will be SF.
Jan Shatabdi: Same as Shatabdi but will not get priority like Shatabdi. Will have non A.c Coaches and RESERVED Second sitting & no GS classes.
UDAY: It is said it is Modifed version of DD all will be SF.wo rows of Sitting in all trains Upper deck and lower Dec. All are A.c Coaches
DD: First DD in A/c in IR. all are SF. Two rows of Sitting in all trains Upper deck and lower Deck.All are A.c Coaches
Antyodaya: Designed for General class people with SF charges for fast connectivity with out Sleepers are A/c Coaches. All are Nom-A.c Coaches
Sampark Kranti: Introduced to Connect National Capital with State Capital or Major Cities 90% Stops in Home state and more important halts only will have halt in other states especially for crew change etc.Will have all classes and SF.
Suvidha: Introduced to give Fast connectivity in between various stations with Premium and Dynamic Charges Having Reserved coaches in all classes except Gs. GS is treated as Reserved 2nd Sitting in some trains. Mostly reach late even charge premium fares,
Humsafar: A Copy of GR with Modern Facilities like CC Camera/Coffee Machine and Drinking water of Aqua Guard etc. Have only 3rd A.c coaches with out Side Middle Berth and maximum with LHB Coaches.Not all are SF. some are expresses also.
Garib Rath: Introduced to give A/c travel to middle and lower middle class people who cant effort. All are SF and will have Side Middle berth which is not convenient to side berth passengers but a very popular train as it have low A.c fare.
Super Fast: U know a train runs with avg speed of above 54/55 are counted as SF. Will have all classes and some are most prioritized expresses Ex" TN/TG/KA/KK/GOA express etc.
Mahamana: Modified Version of ICF Coaches and first Made by Bina Depot All are SF and have all types of classes. First 3Ac is not there but later added. Trains Coloring also different to ICF.
Rajya Rani: A SF for Inter State and Intra State Having all kind of classes.
Vivek : Normal SF but travel to Long distances. On the name of Swami Vevekananda these were introduced.
Kaviguru: Same as Vivek Express. Introduced on the name of Ravindra Nath Tagoree.
I told what i know. but if i am wrong in some thing i am sorry. that u can clarify with other Members.
Thanks