Explanation: There are four ways of acquiring citizenship in India. Two ways are related with the reasons of birth and another two are related to external factors.
Answer: Citizenship of India can be acquired in 4 ways-
Citizenship by birth - A person who is born in India gets Indian citizenship automatically.
Citizenship by inheritance - A child who is born in a foreign country but has Indian parents has the right to Indian citizenship.
Citizenship by registration - A person of Indian origin residing in India for 7 years can submit the prescribed application form to the concerned office.
Citizenship by incorporation - If a territory becomes part of a country, then the residents of that territory become citizens of the country.