There are many numbers used for emergency in India and they have three digits usually to decrease the chances of dialling them accidentally. Many Telephones had elector mechanical dials that sent a series of pulses that will be routed...

There are many numbers used for emergency in India and they have three digits usually to decrease the chances of dialling them accidentally. Many Telephones had elector mechanical dials that sent a series of pulses that will be routed by equipment at the telephone exchange. Short numbers can be dialed by mistake and also long […]

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