- That he/she is not a subject or citizen of any country where citizens of India are prevented from becoming subjects or citizens of that country by naturalisation.
- That, if he/she is a citizen of any country, they undertake to renounce the citizenship of that country.
- That he/she has either resided in India or been in the service of a Government in India or partly the one and partly the other, throughout the period of twelve months immediately preceding the date of the application.
- That during the fourteen years immediately preceding the said period of twelve months, he/she has either resided in India or been in the service of a Government in India, or partly the one and partly the other, for periods amounting in the aggregate to not less than eleven years.
- That he/she is of good character.
- That he/she has an adequate knowledge of a language specified in the Eighth Schedule to the Constitution.
- That in the event of a certificate of naturalisation being granted to him/her, he/she intends to reside in India, or to enter into or continue in, service under a Government in India or under an international organisation of which India is a member or under a society, company or body of persons established in India.