Array
(
    [0] => Array
        (
            [0] => Khanam
            [1] => 25
            [2] => female
            [3] => Bengaluru
        )

)

Array
(
    [0] => Array
        (
            [0] => Khanam
            [1] => 25
            [2] => female
            [3] => Bengaluru
        )

    [1] => Array
        (
            [0] => Riya
            [1] => 12
            [2] => female
            [3] => Mumbai
        )

)

Array
(
    [0] => Array
        (
            [0] => Khanam
            [1] => 25
            [2] => female
            [3] => Bengaluru
        )

    [1] => Array
        (
            [0] => Riya
            [1] => 12
            [2] => female
            [3] => Mumbai
        )

    [2] => Array
        (
            [0] => Saniya
            [1] => 45
            [2] => female
            [3] => Chennai
        )

)

Array
(
    [0] => Array
        (
            [0] => Khanam
            [1] => 25
            [2] => female
            [3] => Bengaluru
        )

    [1] => Array
        (
            [0] => Riya
            [1] => 12
            [2] => female
            [3] => Mumbai
        )

    [2] => Array
        (
            [0] => Saniya
            [1] => 45
            [2] => female
            [3] => Chennai
        )

    [3] => Array
        (
            [0] => Seema
            [1] => 34
            [2] => female
            [3] => Mysore
        )

)