| http://www.w3.org/ns/prov#value | - The outstanding contribution of Arvind in designing teaching aids for young children has been recognized by several international organizations such as UNESCO, International Toy Research Association (ITRA), Halmstad University Sweden, Boston Science Center (BSC) and the Children's Museum at Boston USA, Authof Rehabilitation Center (ARC), Hilpolstein Germany, the International Play Association (IPA
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