Which one of the following statements is correct?

Which one of the following statements is correct?

The rank of Second Lieutenant has been abolished.
The Chief of Army Staff carries the rank of Field Marshal.
All officers posted to Andaman and Nicobar Islands wear the ranks of the Indian Navy.
The rank of Major General is higher than the rank of Lieutenant General.
This question was previously asked in
UPSC CDS-2 – 2016
The correct statement is A.
The rank of Second Lieutenant in the Indian Army was abolished in 1968. The lowest commissioned rank for officers is now Lieutenant.
(B) The Chief of Army Staff holds the rank of General (a four-star rank). Field Marshal is a ceremonial five-star rank, rarely bestowed. (C) Officers posted to the Andaman and Nicobar Command wear the ranks of their respective services (Army, Navy, or Air Force), as it is a tri-service command. (D) The rank of Lieutenant General is higher than the rank of Major General; the standard progression is Major General (two-star) followed by Lieutenant General (three-star).