(1)The passport authority may, having regard to the provisions of sub-section (1) of section 6 or any notification under section 19, vary or cancel the endorsements on a passport or travel document or may, with the previous approval of the Central Government, vary or cancel the conditions (other than the prescribed conditions) subject to which a passport or travel document has been issued and may, for that purpose, require the holder of a passport or a travel document, by notice in writing, to deliver up the passport or travel document to it within such time as may be specified in the notice and the holder shall comply with such notice.
