After section 6A of the principal Act, the following section shall be inserted, namely:—

   '6B.  (1)  The Central Government or an authority specified by it in this behalf may, subject to such conditions, restrictions and manner as may be prescribed, on an application made in this behalf, grant a certificate of registration or certificate of naturalisation to a person referred to in the proviso to clause (b) of sub-section (1) of section 2.

   (2)  Subject to fulfilment of the conditions specified in section 5 or the qualifications for naturalisation under the provisions of the Third Schedule, a person granted the certificate of registration or certificate of naturalisation under sub-section (1) shall be deemed to be a citizen of India from the date of his entry into India.

   (3)  On and from the date of commencement of the Citizenship (Amendment) Act, 2019, any proceeding pending against a person under this section in respect of illegal migration or citizenship shall stand abated on conferment of citizenship to him:

   Provided that such person shall not be disqualified for making application for citizenship under this section on the ground that the proceeding is pending against him and the Central Government or authority specified by it in this behalf shall not reject his application on that ground if he is otherwise found qualified for grant of citizenship under this section:

   Provided further that the person who makes the application for citizenship under this section shall not be deprived of his rights and privileges to which he was entitled on the date of receipt of his application on the ground of making such application.

   (4)  Nothing in this section shall apply to tribal area of Assam, Meghalaya, Mizoram or Tripura as included in the Sixth Schedule to the Constitution and the area covered under "The Inner Line" notified under the Bengal Eastern Frontier Regulation, 1873.'.