Pic 1: 15 March 1871. GIP Line till Krishna Bank was already done when MR Line reached RC marking foray of Mail Service with Krishna Bridge as barrier!!
Pic 2: 1868 Bombay-SUR Mail train in connection with Poona Mail on Same Slot as Pic 3/6 (1875)
Pic 4: 1 Jan 1872. Circular informs RC-Krishna Bridge commissioned for Mail Train Through Run!!