Why yahoo is not allowing to post questions in Hindi, Tamil and Telugu languages, spoken by millions of people?

Why yahoo is not permitting to post questions and answers in Hindi, Tamil and Telugu languages,spoken by several millions through out the world?
How to bring this to the notice of yahoo team?
Update: MOST OF INDIANS, THOUGH THEY HAVE VAST KNOWLEDGE IN THE SUBJECTS RELATED TO INDIA, AND THE PEOPLE WHO HAVE SOME QUESTIONS COULD NOT POST THEM DUE TO LACK OF ENGLISH LANGUAGE SKILLS.
Update 2: FRIENDS, THOSE PEOPLE WHO HAVE PROFICIENCY CAN POST THEIR VIEWS IN ENGLISH.
BUT MY SUGGESTION IS FOR THE PEOPLE WHO LACK ENGLISH LANGUAGE SKILLS.
PEOPLE WHO KNOW ONLY SPANISH ARE POSTING QUESTIONS IN THAT LANGUAGE.
PEOPLE WHO KNOW ENGLISH AND SPANISH ARE POSTING IN BOTH LANGUAGES.
Update 3: FRIENDS, PLEASE THINK OVER A MINUTE, KNOWLEDGE SHOULD ALSO BE SHARED WITH PEOPLE WHO ARE NOT MASTERS IN ENGLISH LANGUAGE.

SHOULD KNOWLEDGE BE CONFINED ONLY TO A FEW ENGLISH SPEAKING BABUS?
Update 4: MS SIR,
INTRODUCING INDIAN LANGUAGES DOES NOT MEAN PROHIBITING INDIANS ANSWERING OR QUESTIONING IN ENGLISH LANGUAGE..
I THINK YOU HAVE NOW CAUGHT MY POINT
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