Plan two to three days in Varanasi: one for the ghats and old lanes, one for Sarnath, and an optional third for Ramnagar Fort or Chunar Fort. Start on the river at dawn, keep to local customs at temples and cremation areas, and check ceremony times locally before you go. For many international travellers and NRIs, a tourist travel London to Varanasi trip is less about ticking off a list and...