Railway recruitment for civil service is made through UPSC. This service is responsible for the overall administrative, technical and managerial function associated with the Rail transport and comes under the category of Group A. This selection for the category is made through two kinds of examinations, namely, civil service examination and combined engineering service examination. These examinations are conducted every year through Union Public Service Commission (UPSC).
Group A for civil services exam includes:
Indian Railway Traffic Service (IRTS) – The primary responsibility of the job is to take care of the commercial transportation of objects through trains and head the Operations Department of Railways.
Indian Railway Accounts Service (IRAS) – It is in charge of all the accounts of the railways, i.e income, expenditures etc.
Indian Railway Personnel Service (IRPS) – The primary responsibility involves tasks such as recruitment of all railway staff (inspectors, drivers, IRTS officers) and planning of recruitments, deciding promotions, postings, training, welfare, in fact all work concerning personnel.
Railway Protection Force (RPF) – It is responsible for the security of the railway tracks, personnel and equipment.
For more details: https://www.civilserviceindia.com/civil-services-list.html
Combined Engineering Services Examination is conducted by the Union Public Service Commission (UPSC ) for recruitment of engineers to the 4 categories of Engineering Services : Civil Engineering, Mechanical Engineering, Electrical Engineering and Electronics and Telecommunication Engineering.
Engineers selected through the Combined Engineering Services Examination are appointed to various posts in railways like
For more details:http://www.coachingindians.com/upsc-exam/ies-syllabus.html