To,
The Officer In-charge,
Municipal Corporation,
__________ (Office Address /City)
Date: __/__/____ (date)
Subject: Complaint regarding street sweeper
Respected Sir/ Madam,
I would like to inform you that I am ________ (name) and I reside at __________ (mention location).
I write this letter on behalf of the residents of my locality in order to extend my concern in front of you regarding the sweeper assigned to cleaning of street in our area. Respected, the sweeper is not at all punctual and does not sweep the street a number of days in a week. I apologetically would inform you that the ______________ (mention issue – the sweeper is rude/ the behavior is not good/ does not sweep properly/ any other) and I would request you to kindly look into the same and take some appropriate action.
I shall be highly obliged for your kind support. You may reach me out at the contact details mentioned below.
Thanking you,
Yours Truly,
__________ (mention your name)
__________ (address)
__________ (contact number)
lettersdadmin 
Rahul Sharma