<prompt> Component of HDI are all except-Life expectancyKnowledgeIncomeSocial status  <response>: Ans. is d i.e., Social status HDI is a composite index combining indicators representing three dimensions.i Longevity: Life expectancy at birth.ii Knowledge: Mean years of schooling gross enrolment ratio and expected year of schooling. In older editions of Park, i.e., 21ste and older than that, it was adult literacy rate instead of expected year schooling.iii Income: GNI Per Capita In older editions of Park, it was GDP per capita instead of GNI per capita. 