D3 + TopoJSON using the
world‑atlas dataset for a world map, and
using a dataset for India’s states + country outline.
world‑atlas@2/countries‑110m.json
(TopoJSON). Projection:
d3.geoNaturalEarth1().
world‑atlas@2/countries‑110m.json +
States boundary file (ADM1). Projection:
d3.geoMercator().