Incomplete question. However, I inferred you meant how to write a formal letter to someone in authority.
Step-by-step explanation:
Date:
To [His Designation, eg The Governor, etc]
Recipient Address:
Dear Sir,
Request to establish a library in our village colony
I would like to kindly draw your attention to a very urgent need we have in our community. It is the lack of a public library where students and the general public can get meaningful information.
I use this medium to solicit your assistance in this regard. The people of [name of the village colony] please ask that you direct the establishment of a library in our village colony.
Thank you in anticipation.
Yours Sincerely,
[Sender's name]
[Signature]