The below would the standard rake composition for all the trains. IR meant for LHB caoches and not ICF ones:
EOG-GS-GS-GS-GS-GS-S1-S2-S3-S4-S5-S6-S7-S8-S9-S10- B1-B2-B3-A1-A2-EOG
This means that PC and AC 1st coaches would be gradually discontinued and replaced with ACII or ACIII. In place of PC online catering facility will be provided in trains.