ADO.NET Entity Data Model template is missing

Question

Hi,
I Would like to add ADO.NET Entity model but, Not able to.
Right-click the Solution Explorer window and select the menu option Add, New Item.
In the Add New Item dialog, select the Data category.
TO select the ADO.NET Entity Data Model template,
It is not there.
The ADO.NET Entity Data Model template is missing.
Thanks in advance,