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The code takes the form of a 6-bit cyclic redundancy check (CRC). These 27 bits of information are used as an input to the train's signalling computer, the onboard part of the TVM-430 system. In older versions of TVM, the target speed was updated only at every block boundary, resulting in a "staircase" style speed profile which is not ...
As of March 2022, Groups A & B constitute 1.5% of the total workforce, while Group C & D account for 98.5%. [16] 80% of Group-A employees are recruited through Indian Railways Management Service (IRMS) with remaining through promotions. [39] The various Group A cadres are as below include: [40]
The check digit is calculated from digits 1–11 using the Luhn algorithm. It is derived from the sum of the numbers that arise when the digits are alternately multiplied by 2 and 1; the difference of this sum from the next multiple of ten produces the check digit [ 4 ] (for examples of this see wagon numbers ).
Indian Railways is a state-owned enterprise that is organised as a deparmental undertaking of the Ministry of Railways of the Government of India and operates India's national railway system. [ a ] As of 2023 [update] , it manages the fourth largest national railway system by size with a track length of 132,310 km (82,210 mi), running track ...
7 (47XXX): South Central Railway zone; If the first digit is 5, 6 or 7, the second digit identifies the railway zone where the train is operated or maintained: 0 (E0XXX): Konkan Railway; 1 (E1XXX): Some Central and West Central Railway zone trains; 2 (E2XXX): Some Northern, North Central, North Western, North Eastern and East Central Railway ...
On the other railways, the reporting number was on occasion displayed at the head of the train along with the lamp headcode. This happened more often than not with special trains or other unusual trains (e.g. summer Saturday timetables), to allow signallers to identify unfamiliar trains and route them correctly.
National Recruitment Agency [1] is a Central Recruitment Agency established by the Government of India, that will conduct a Common Eligibility Test (CET) [2] for selection to all of the Group C and Group D employee posts in all central government establishments which includes all of the central public sector undertakings and all of the central autonomous bodies. [3]
In September 2011, the UK Rail Safety and Standards Board issued Railway Group Standard GM/RT2453, [4] which made some alterations to the TOPS classes allocated to various types of locomotive and multiple unit - primarily extending the number ranges for certain types of locomotives and multiple units where the previous allocation ranges were ...