Correct option is B
Articles 52 to 78 of the Indian Constitution pertain to the Union Executive, which includes:
President (Article 52–62)
Vice-President (Article 63–71)
Council of Ministers headed by the Prime Minister (Article 74–75)
Attorney General of India (Article 76)
Conduct of Business of the Government of India (Article 77–78)
Information Booster:
Article 78 – Duties of the Prime Minister regarding communication between the President and the Council of Ministers.
The Union Executive is responsible for implementing laws and policies at the national level.
The President exercises powers only on the aid and advice of the Council of Ministers.
- Judiciary – Covered under Articles 124 to 147 (Union Judiciary – Supreme Court).
State Executive – Covered under Articles 153 to 167.
Legislature – Covered under Articles 79 to 122 (Parliament).