The most common and most likely answer to this crossword clue is the 7 letter word MARATHI
I've seen this crossword clue in The Times
M
A
R
A
T
H
I
More clues leading to the result MARATHI
- Revolutionary greeting in Indian language
- Revolutionary greeting in foreign language
- French revolutionary greeting in Indian language
- Language and some grammar at Highbrow
- Butter returned at hotel by one Punekar, perhaps
- Language discovered by a sailor in a retreat between Massachusetts and Hawaii
- Red Cross censored matriarch’s new language
Buddy explains!
The straight part
We know that "Indian language" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case indian language = marathi.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.