Section 208(2) in The Indian Post Office Rules, 1933
(2)An undelivered postal article, on which the words "Poste Restante". "To await arrival", or similar instructions have been written, shall remain in the post office to which it s addressed for a period not exceeding one month-(a)has refused or after due notice omitted to take delivery within the period specified in the notice, or(b)for a period of one month in all other cases.
