Consider the following statements about the India Meteorological Department (IMD):

I. IMD was established in 1875 and is the principal government agency for meteorological observations and weather forecasting in India.

II. It is headquartered in New Delhi and operates a network of weather stations, radar installations, and satellite data receivers.

III. IMD issues crucial forecasts including monsoon predictions, cyclone warnings, and heat wave alerts.

Which of the statements given above is/are correct?