BharatRajya is an interactive historical atlas that helps users explore who ruled the lands of the Indian subcontinent across seventeen centuries, from 300 CE to the present. Its district-level map connects historical regions with the kingdoms and powers that controlled them, letting visitors select a year, browse by state, and follow changes in territorial control. Users can explore a single year or a span of time, trace a kingdom, and view information about overlords, battles, and notable historical events.

The site also offers timeline videos and shareable posters, with map content designed to show when borders changed and provide stories for selected regions. BharatRajya describes its material as curated from cited sources and supplemented by Wikipedia, and invites visitors to suggest corrections. It notes that ruler records may be incomplete, that post-1947 entries show elected leaders or military rulers, and that more dynasties are added over time.

Created for educational and historical research, the atlas shares its work under a CC0 licence for free reuse