Who is the protector of the Fundamental Rights of a citizen?

Which one of the following is regarded as the protector of fundamental rights of citizens and Guardian of the Constitution of India?

Which one of the following is not a part of Fundamental Rights?

Which of the fundamental rights available to Indian Citizen but not to aliens?

Which of the following can a court issue for enforcement of the Fundamental Rights?

Which provision of the fundamental rights is directly related to the exploitation of children?