Rank of Cabinet Minister in Union Cabinet

The Union Cabinet is the highest decision-making body of the Indian government. It comprises the Prime Minister, Cabinet Ministers, and Ministers of State. Cabinet Ministers are the senior-most members of the Cabinet and enjoy a rank equivalent to that of a Minister holding an important portfolio.

Out of the given options, only option 'B' - Deputy Chairman of Planning Commission - enjoys the rank of Cabinet Minister in the Union Cabinet.

Explanation

Deputy Chairman of Planning Commission

The Planning Commission was a body that used to formulate the country's Five-Year Plans until it was replaced by the Niti Aayog in 2015. The Deputy Chairman of Planning Commission was a Cabinet Minister rank position and was responsible for assisting the Chairman in formulating the Five-Year Plans. The Deputy Chairman was also responsible for overseeing the implementation of the Plans and advising the government on economic issues.

Political Advisor to Prime Minister

A political advisor to the Prime Minister is not a Cabinet Minister rank position. The political advisor is appointed by the Prime Minister to provide political guidance and support to the Prime Minister.

Judge of Supreme Court

A Judge of the Supreme Court is not a part of the Union Cabinet. The Supreme Court is an independent body and is not a part of the executive branch of the government.

Secretary to Government of India

A Secretary to the Government of India is a senior administrative position in the Indian bureaucracy. Even though the Secretary is responsible for overseeing the functioning of a particular ministry, the position does not enjoy Cabinet Minister rank.

Conclusion

In conclusion, the Deputy Chairman of Planning Commission is the only option that enjoys the rank of Cabinet Minister in the Union Cabinet. The other options mentioned in the question do not hold the rank of Cabinet Minister.

Deputy chairman of planning commission