94 Quad--63/50k scale--Topo Maps by Survey of India--20260218

As of January 2026, the ‘Old Survey of India Maps’ community is revising its system for presenting topographic maps. Due to the large number of maps in these categories, and the frequent availability of new maps, it has become difficult to maintain the previous system of presenting individual maps for download. In the new system, topo maps will be grouped together in categories and download will be by compressed .zip files comprising hundreds or thousands of maps in a single file. For each .zip file, a list of the included individual map file names will be presented, to assist the viewer in obtaining particular maps of interest. This record presents a set of several hundred historical 1:63,360 scale (or the…