The Southwest monsoon seasonal rainfall over India is expected to be 90 per cent of the long period average this year, the India Meteorological Department said on Friday.While the Northeast is likely to witness normal rainfall this monsoon season, the remaining parts of the country may see below-normal rainfall, the weather office said.The India Meteorological Department made the observations in its second forecast for the Southwest monsoon.In its first forecast on April 13, the weather office had said that India might witness 92 per cent of long period average (LPA) rainfall this monsoon season.