This example displays a choropleth-style map of India rendered as SVG paths, with each state filled using a categorical color scale from `schemeCategory10`. The visualization uses `d3-geoMercator` for projection and `d3.geoPath` to generate the state boundaries from TopoJSON data loaded via `d3.json`. A zoom interaction is enabled, and hovering over a state changes its fill to grey via CSS. The map includes a title and is built with React, though the core logic relies on D3 v5 and the `topojson` feature API.