O

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OA	Out Agency Original Application
ODC	Over Dimensional Consignment
ODR	Oldest Date of Registration
OR(R)	Owner's Risk Rate
O&M	Operation & Maintenance
OBHS	On Board Housekeeping Services
OST	Objectives Strategies and Tactics
OWE	Ordinary Working Expenses
OT	Over Time
OCV	Other Coaching Vehicle
OFC	Optical Fibre Cable
OYWS	Own Your Wagon Scheme
OIR	Objectionable Item Register
OSDA	Outstation Detention Allowance
OLWR	Open Line Works Revenue
OEMs	Original Equipment Manufacturers
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