I have come across some Directories for Calcutta, published by Cones and Co, Calcutta.
Initially the title was the Calcutta Directory, but by 1877 it had changed to Cones and
Co's Directory and Almanac.
Online editions are available for 1874, 1877, 1878, 1879, 1881, 1889, 1895, 1896
These are available to read online from the Digital Library of India, or as pdf downloads
from DSpace at West Bengal State Central Library
The links have been added to the FIBIS Fibiwiki page Directories online, section
There are additional to the large number of Directories under the heading Bengal