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Children and pregnant women are more likely to suffer from vitamin A deficiency. The World Health organization (wHo) reported that vitamin A deficiency (VAD) affects about 190 million in children and 19 million pregnant women, mostly Africa and South-East Asia (v 201 I) Nearly 44-50% of pre- school children in South and Southeast Asia are affected by severe VAD (Aki er al. 2013) Among the South Asian countries, India has the highest prevalence of clinical and subclinical vitamin A deficiency, the prevalence being as much as 62x in preschool children (Su Kumar, 2015) In Bangladesh, the prevalence of subclinical vitamin A deficiency in the preschool-aged children is 20.5%, although in slum areas the prevalence is as high as 38.1% GAIN Nutrition 2013) Children begin their life with an urgent need for vitamin Infants (1-5 months of age) and preschool children (6-59 months of age) have increased need of vitamin A to support their rapid