Raise Exception from Nested Block of an exception

[Manju]

Hi Team,

I need help in the below structure of PL/SQL block asap. Is this good
to do? or any better way to handle the same.

BEGIN
        select...
EXCEPTION
        WHEN TOO_MANY_ROWS THEN
                BEGIN
                        select ...
                EXCEPTION
                        WHEN TOO_MANY_ROWS THEN
                                BEGIN
                                        select ...
                                EXCEPTION
                                        WHEN TOO_MANY_ROWS THEN
                                        ---handle here
                                        WHEN NO_ROWS_FOUND THEN
                                                RAISE;
                                END
                        WHEN NO_ROWS_FOUND THEN
                                RAISE;
                END
        WHEN NO_ROWS_FOUND THEN
        ---handle here
        WHEN OTHERS THEN
        ---handle here
END

Thanks!

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