| 1 | PCCM | Principal Chief Commercial Manager |
| 2 | DCM | Divisional Commercial Manager |
| 3 | ACM | Assistant Commercial Manager |
| 4 | CCM | Chief Commercial Manager |
| 5 | IRCTC | Indian Railway Catering and Tourism Corporation |
| 6 | UTS | Unreserved Ticketing System |
| 7 | PRS | Passenger Reservation System |
| 8 | PNR | Passenger Name Record |
| 9 | FOIS | Freight Operations Information System |
| 10 | ATVM | Automatic Ticket Vending Machine |
| 11 | TDR | Ticket Deposit Receipt |
| 12 | RAC | Reservation Against Cancellation |
| 13 | GNWL | General Waiting List |
| 14 | RLWL | Remote Location Waiting List |
| 15 | TQWL | Tatkal Waiting List |
| 16 | RR | Railway Receipt |
| 17 | TMS | Terminal Management System |
| 18 | RCT | Railway Claims Tribunal |
| 19 | DRUCC | Divisional Rail Users' Consultative Committee |
| 20 | NRUCC | National Rail Users' Consultative Council |
| 21 | AC | Air-Conditioned |
| 22 | SL | Sleeper Class |
| 23 | 2S | Second Class Sitting |
| 24 | E-Ticket | Electronic Ticket |
| 25 | CCTV | Closed-Circuit Television |
| 26 | GST | Goods and Services Tax |
| 27 | ICD | Inland Container Depot |
| 28 | CONCOR | Container Corporation of India |
| 29 | PCC | Permissible Carrying Capacity |
| 30 | HWH | Howrah |
| 31 | NDLS | New Delhi |
| 32 | BCT | Mumbai Central |
| 33 | MAS | Chennai Central |
| 34 | CSTM | Chhatrapati Shivaji Maharaj Terminus |
| 35 | PF | Platform |
| 36 | TTE | Traveling Ticket Examiner |
| 37 | TC | Ticket Collector |
| 38 | CC | Commercial Clerk |
| 39 | CS | Commercial Supervisor |
| 40 | CB | Commercial Branch |
| 41 | FNR | Freight Name Record |
| 42 | POET | Passenger Operated Enquiry Terminal |
| 43 | IVRS | Interactive Voice Response System |
| 44 | SMS | Short Message Service |
| 45 | VPU | Vending Power Unit |
| 46 | SLR | Seating cum Luggage Rake |
| 47 | RMS | Railway Mail Service |
| 48 | RRI | Route Relay Interlocking |
| 49 | DRM | Divisional Railway Manager |
| 50 | GM | General Manager |
| 51 | CCRS | Chief Commissioner of Railway Safety |
| 52 | CRS | Commissioner of Railway Safety |
| 53 | GGM | Group General Manager (IRCTC) |
| 54 | DGM | Deputy General Manager |
| 55 | Dy.CCM | Deputy Chief Commercial Manager |
| 56 | Sr.DCM | Senior Divisional Commercial Manager |
| 57 | ASV | Assistant Station Valuation/Supervisor |
| 58 | BS | Booking Supervisor |
| 59 | BC | Booking Clerk |
| 60 | PCCM/FM | PCCM / Freight Marketing |
| 61 | PCCM/PS | PCCM / Passenger Services |
| 62 | CCM/PM | Chief Commercial Manager / Passenger Marketing |
| 63 | CCM/Catg | Chief Commercial Manager / Catering |
| 64 | CCM/Refund | Chief Commercial Manager / Refund |
| 65 | Dy.CCM/Claims | Deputy Chief Commercial Manager / Claims |
| 66 | ACM/Catg | Assistant Commercial Manager / Catering |
| 67 | CTO | Chief Traffic Officer |
| 68 | RCL | Railway Commercial Land |
| 69 | TIB | Ticket Inspection Branch |
| 70 | CRIS | Centre for Railway Information Systems |
| 71 | NGeT | Next Generation e-Ticketing |
| 72 | E-FDR | Electronic Forwarding Demand Registration |
| 73 | TMS | Terminal Management System |
| 74 | PDS | Public Distribution System (Railway Colony) |
| 75 | CCTV | Closed-Circuit Television |
| 76 | COA | Coaching Operations Administration |
| 77 | PRS | Passenger Reservation System |
| 78 | UTS | Unreserved Ticketing System |
| 79 | JCM | Joint Consultative Machinery |
| 80 | HOD | Head of Department |
| 81 | ZRTI | Zonal Railway Training Institute |
| 82 | CTI | Chief Ticket Inspector |
| 83 | TTE | Traveling Ticket Examiner |
| 84 | Sr.TE | Senior Ticket Examiner |
| 85 | TE | Ticket Examiner |
| 86 | CC | Chief Clerk (Commercial) |
| 87 | CC | Commercial Clerk |
| 88 | SBC | Station Booking Clerk |
| 89 | CS | Commercial Supervisor |
| 90 | CB | Commercial Branch |
| 91 | E-Way | Electronic Way Bill |
| 92 | GSTN | Goods and Services Tax Network |
| 93 | P&P | Policy and Planning |
| 94 | CCM/Claims | Chief Commercial Manager / Claims |
| 95 | Rates | Commercial Rates Section |
| 96 | Sales | Commercial Sales Wing |
| 97 | R&D | Rates and Development |
| 98 | Catering | Railway Catering Services |
| 99 | Claims | Railway Claims Department |
| 100 | Misc | Miscellaneous Commercial Receipts |
| 101 | PCC | Parcel Carrying Capacity |
| 102 | PWB | Parcel Way Bill |
| 103 | P&C | Passenger & Coaching |
| 104 | C&W | Carriage & Wagon (Commercial interaction) |
| 105 | E-FDR | Electronic Forwarding Demand Registration |
| 106 | LSD | Luggage Special Dispatch |
| 107 | NVP | Non-Vested Parcel |
| 108 | RMC | Railway Material Consignment |
| 109 | AWB | Air Way Bill (For multi-modal) |
| 110 | CCM/IT | Chief Commercial Manager / IT |
| 111 | FOIS/TMS | Freight Operations Information System / Terminal Management System |
| 112 | PRS/UTS | Passenger Reservation System / Unreserved Ticketing System |
| 113 | PCCM/R | Principal Chief Commercial Manager / Rates |
| 114 | CTM | Chief Transportation Manager |
| 115 | Sr.DOM | Senior Divisional Operations Manager (Coordination) |
| 116 | ATM | Assistant Transportation Manager |
| 117 | T&C | Terms & Conditions |
| 118 | E-Payment | Electronic Payment System |
| 119 | RTGS | Real Time Gross Settlement |
| 120 | NEFT | National Electronic Funds Transfer |
| 121 | IMPS | Immediate Payment Service |
| 122 | UPI | Unified Payments Interface |
| 123 | POS | Point of Sale Machine |
| 124 | EDC | Electronic Data Capture |
| 125 | VPU | Vending Power Unit |
| 126 | SLR | Seating-cum-Luggage-cum-Guard Rake |
| 127 | VP | Vending Parcel Van |
| 128 | VPH | High Capacity Parcel Van |
| 129 | RVP | Registered Vending Parcel |
| 130 | Catering/M | Catering Monitoring |
| 131 | IRCTC/M | IRCTC Management |
| 132 | Pantry | Train Pantry Car |
| 133 | Base/K | Base Kitchen |
| 134 | TSV | Train Side Vending |
| 135 | E-Catg | E-Catering Services |
| 136 | TTE/L | Train Ticket Examiner Lobby |
| 137 | Duty/R | Duty Roster |
| 138 | C&S | Claims & Settlement |
| 139 | Vig | Vigilance (Commercial Section) |
| 140 | Audit | Commercial Audit Wing |
| 141 | Refund/C | Refund Cell |
| 142 | PRS/C | PRS Counter |
| 143 | UTS/C | UTS Counter |
| 144 | ATVM/O | ATVM Operator |
| 145 | Coaching | Coaching Earnings Cell |
| 146 | Goods | Goods Earnings Cell |
| 147 | Sundry | Sundry Earnings |
| 148 | Budget | Commercial Budget Section |
| 149 | Establish | Commercial Establishment |
| 150 | Record | Commercial Record Room |
