ðɪ ˈɪndiən ɹˈeɪlweɪ sˈɜːvɪs ʌv mᵻkˈænɪkəl ˌɛndʒɪnˈɪɹɪŋ, ɐbɹˈiːvɪˌeɪɾᵻd æz ˈɜːsmi, ɪz wˈʌn ʌvðə ɡɹˈuːp ɐ sˈɛntɹəl ˌɛndʒɪnˈɪɹɪŋ sˈɜːvɪsᵻz ʌvðɪ ˈɪndiən ɹˈeɪlweɪz.
The Indian Railway Service of Mechanical Engineering, abbreviated as IRSME, is one of the group 'A' central engineering services of the Indian railways.