Pick the incorrect pair from the following given data.

Mountain soil is present at an elevation of 2550 m in Darjeeling and Kalimpong districts of West Bengal. Red soil is found in the districts of Birbhum, Bardhaman, Bankura, Midnapore, some parts of Malda and Dinajpur. Alluvial soil is found in Murshidabad, Nadia, Howrah and North 24 Parganas. Laterite soil is found in the districts of Birbhum, Bardhaman, Bankura, Purulia, Midnapore, some areas of Barind and Mudhupur forest areas.