没有在Unicode印地语中检索到的SQL数据

I am developing a web app in ASP.NET with C#. I am saving data in SQL tables as Unicode character as given by Google Transliteration. I am supposed to use Hindi. I have no issues regarding adding data. But when I use "SELECT" statements, no data is retrieved from the database tables in any case.I am developing a web app in ASP.NET with C#. I