The correct answer is: c) Sovereign, Socialist, Secular, Democratic Republic
India is a sovereign, socialist, secular, democratic republic. This means that India is a free and independent country with its own government, laws, and currency. India is also a socialist country, which means that the government plays a major role in the economy. India is a secular country, which means that it does not have an official religion. India is also a democratic country, which means that the people have the power to choose their leaders.
A unitary republic is a country in which the central government has a great deal of power. The central government can make laws that apply to the entire country, and it can also appoint the leaders of the local governments. A federation is a country in which the central government and the local governments share power. The central government can make laws that apply to the entire country, but the local governments can also make laws that apply to their own areas. A confederation is a country in which the local governments have more power than the central government. The local governments can make laws that apply to their own areas, and they can also make laws that apply to the entire country.