Central Government Act
Section 29(1) in The Customs Act, 1962
(1) The person- in- charge of a vessel or an aircraft entering India from any place outside India shall not cause or permit the vessel or aircraft to call or land-
for the first time after arrival in India; or
at any time while it is carrying passengers or cargo brought in that vessel or aircraft; at any place other than a customs port or a customs airport, as the case may be.