You can try the full form of RPF and gain confidence at least in meaning of RPF. Edumantra takes good care of you so buying books for competitive exams is not necessary. Additionally we would like to tell that the full form of RPF is Railway Protection Force.
The abbreviation or full form of RPF is Railway Protection Force
Additional information about RPF
The Railway Protection Force is a security force which is under the control of Union Government’s Ministry of Railways. It is primarily responsible to safeguard and protect railway property which includes rolling stock, the permanent way, station or yard premises from damage or sabotage.
It is also responsible to investigate incidents of vandalism, theft etc., of IR assets and property entrusted to it.