How to Remove Duplicates from Multidimensional Array

Array
(
    [0] => Array
        (
            [name] => rahul
            [age] => 25
        )

    [1] => Array
        (
            [name] => rahul
            [age] => 25
        )

    [2] => Array
        (
            [name] => rajesh
            [age] => 32
        )

)

Array
(
    [0] => Array
        (
            [name] => rahul
            [age] => 25
        )

    [2] => Array
        (
            [name] => rajesh
            [age] => 32
        )

)