Survey of India Open Series Maps (OSM)

Survey of India Open Series Maps (OSM)

MH Specific

Topographic map sheets at 1:50K scale covering Maharashtra terrain, contours, settlements, and transport networks

Build a Maharashtra topographic base layer service using Survey of India open series maps for GIS applications.
Homepage

Quick Start

# Survey of India
import requests
print('Survey of India: https://onlinemaps.surveyofindia.gov.in/')
print('Open Series Maps available for download')
Modality
Vector (PDF / Shapefile at 1:1M)
Size
~60 sheets for Maharashtra; 1:50K scale; PDF vector format
License
Format
GeoTIFF
Language
en
Update Frequency
static
Organization
Survey of India
Category
geospatial-gis

Schema

FieldTypeDescription
sheet_numberstringMap sheet number
scalestringMap scale (1:50000, 1:250000)
featureslist[string]Map feature types (contours, roads, rivers, etc.)

Build With This

Create a terrain feature extractor digitizing contours and drainage from SOI maps for Maharashtra
Develop a historical land use comparison tool using old SOI maps against current satellite imagery
Build a map georeferencing pipeline converting SOI map sheets into GIS-ready raster layers for Maharashtra

AI Use Cases

Terrain analysissettlement pattern studyinfrastructure planningcontour-based slope modeling
Last verified: 2026-03-07