Page 3 - IRSEM_Main Book
P. 3

Indian Railways Signal Engineering Manual

                                                       (IRSEM)















                                                    Issue History




                      S No                      Issue                               Year



                        1      First                                                1955


                        2      Second

                                                           Part I                   1988
                                                            Part II                  2001

                        3      Third                                             July 2021
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