The most common and most likely answer to this crossword clue is the 4 letter word RANI
I've seen this crossword clue in Financial Times
R
A
N
I
More clues leading to the result RANI
- Perhaps she’s governed India?
- Hindu queen administered island
- Hindu queen managed India
- In Bhagalpur, an incomparable queen
- Stood next to current queen
- Queen ruled over India for a start
- From Amritsar, an Indian princess
- Head of state’s last to see princess
- Country bringing down current queen
- Showed Island Queen
Buddy explains!

The straight part
We know that "Queen" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case queen = rani.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RANI mean?
RANI noun- The wife of a rajah.
- A Hindu princess or female ruler in India.