Section 17B(1) in The Indian Post Office Rules, 1933
(1)The special rates of postage mentioned in Rule 1 in respect of a book packet containing periodicals shall be applicable only if the following conditions are satisfied:-(a)That it is registered with the Registrar of Newspapers for India under the Press and Registration of Books Act, 1867 (25 of 1867).(b)That the periodical bears in print in any convenient place either on the first or last page thereof, the superscription "Registration with the Registrar of Newspapers for India under No............."
