India uses large round-pin plugs that confuse most visitors: the older Type D and the bigger Type M, at 230 V, 50 Hz. The slim European Type C will physically fit many Indian sockets, but the proper grounded plugs are D and M, which fit almost nobody's home plug. In practice nearly every traveller - US, UK, Europe or Australia - needs an adapter.
| Coming from | Plug adapter | Voltage |
|---|---|---|
| From the United States | Adapter needed | Check converter |
| From the UK | Adapter needed | Compatible |
| From continental Europe | Not needed | Compatible |
| From Australia / New Zealand | Adapter needed | Compatible |
Plug adapters change the shape only. A "Check converter" flag means the voltage differs from your home country - fine for dual-voltage gear (phones, laptops, cameras marked 100-240 V) but risky for single-voltage appliances like hair dryers and travel kettles.
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Mainly Type D and the larger Type M, at 230 V / 50 Hz; Type C often fits the smaller sockets too.
A Type C plug fits many sockets, but a D/M adapter is recommended for grounded outlets.
Dual-voltage devices are fine. Single-voltage 120 V appliances need a converter.