If you're only interested in tiles for a region that's "small" in OSM terms (such as India), then the infrastructure you need for a tile server isn't large - it's well within "off the shelf desktop PC" territory.
If you're only interested in tiles for a region that's "small" in OSM terms (such as India), then the infrastructure you need for a tile server isn't large - it's well within "off the shelf desktop PC" territory.