private Dictionary <string, Aakriti_BMIData> ReadJson(string filename = "BmiDataBase.json")
        {
            string data = File.ReadAllText(filename);
            List <Aakriti_BMIData> list = new System.Web.Script.Serialization.JavaScriptSerializer().Deserialize <List <Aakriti_BMIData> >(data);

            return(list.ToDictionary(item => item.NAME));
        }