Step 1: Constitutional provision
According to Article 124(2) of the Indian Constitution, the President of India administers the oath or affirmation to the Chief Justice of India.
Step 2: Importance of oath
The oath is a solemn promise to uphold the Constitution and discharge duties impartially.
Step 3: Explanation of other options
- Speaker of Lok Sabha and Prime Minister have no role in this ceremony.
- Previous Chief Justice may administer oath to other judges but not the Chief Justice himself.
Hence, the President administers the oath to the Chief Justice.