For short-term climatic perdictions, which one of the following events is associated with occasional weak monsoon rains in the Indian sub-continent?

For short-term climatic perdictions, El Nino and Southern Oscillations events is associated with occasional weak monsoon rains in the Indian sub-continent. El Nino is sometimes referred to as the cold phase of ENSO and El Niño as the warm phase of ENSO. These deviations from normal surface temperatures can have large-scale impacts not only on ocean processes, but also on global weather and climate.