//For Day
SELECT PkgDate, ExpDate
FROM TableName
WHERE (DAY(PkgDate) = DAY(ExpDate))

//For Year
SELECT PkgDate, ExpDate
FROM TableName
WHERE (Year(PkgDate) = Year(ExpDate))

//For Month
SELECT PkgDate, ExpDate
FROM TableName
WHERE (month(PkgDate) = month(ExpDate))