Spares switch

I have problem with horn switches. Since 10days I didn’t get spare switch Without horn how can run ev in Bangalore city.still don’t know when I can get

Morning I had a doorstep service and the service guy took my vehicle leaving his vehicle at my place I used his vehicle to go out and neither his horn nor indicators are working I asked him and he said there are no horn spares available in stock and waiting for the stock to come.