H
AC First Class Coach
A
AC 2 Tier Sleeper Coach
B
AC 3 Tier Sleeper Coach
C
AC Chair Car Coach
E
AC Executive Class Coach (Shatabdi)
J
AC Chair Car Coach (Garib Rath)
G
AC 3 Tier Sleeper Coach (Garib Rath)
HA
Half AC First Class & Half AC 2 Tier Sleeper Coach
HB
Half AC First Class & Half AC # Tier Sleeper Coach
AB
Half AC 2 Tier & Half AC 3 Tier Sleeper Coach
F
Non AC First class
S
Non AC Sleeper Class Coach
D
Non AC Chair Car Coach
GEN
Non AC Non Reserved General Coach
GS
Non AC Unreserved Sitting Coach
UR
Non AC Unreserved Coach
L
Locomotive or Engine
EOG
Guard Coach
SLR
Parcel Coach
PC
Pantry Car
Extra coaches are denoted by putting an "E" between the letter and the number in the above nomenclature like SE1, BE1 etc