select * FROM Tbl_Work
INNER JOIN
Tbl_Client ON Tbl_Work.Client_Id = Tbl_Client.Client_Id
INNER JOIN
Tbl_Department ON Tbl_Work.Department_Id = Tbl_Department.Department_Id
where
Tbl_Work.Client_Id=@Client_Id
and
Tbl_Work.Department_Id=@Department_Id
and
Tbl_Work.Start_Date BETWEEN CONVERT(VARCHAR(10),@Start_Date,103)
AND
CONVERT(VARCHAR(10),@Start_Date,103)