What does '(3)' signify in the context?
"(3)" signifies the third clause in the context, which discusses the restrictions on the right to move freely throughout the territory of India. It states that nothing in sub-clause (b) of clause (1) shall affect the operation of any existing law or prevent the State from making any law imposing reasonable restrictions on the exercise of the right conferred by the said sub-clause in the interests of the sovereignty and integrity of India or public order.