PIC1: 1861, PIC2: 1864 (Till Nov), PIC3: Nov 1864 & Feb 1865, PIC4: 1868
Schedule of no train turn out as forerunner of Mail in PIC5: 1876.
Nov 1864 & Feb 1865 trains were just extension of Ordinary which Departed Bombay & ADI at morning.
Inauguration Year undoubtedly isnt before 1869 (at least)!!