The major cities are the following: Trichy.
In term of gas stations you can find 3 location in the region (like "Bharat Petroleum", "Indian Oil", "HP").
In term of pharmacies you can find 1 places (like "Sri Ram Medicals"). For hospitals you have 4 places with "Dr. Jayanthi Hospital", "Government Hospital, Musiri" for example.
Are you looking for an apartment for sale/rent? Or interested by a house? You can check that on MagicBricks.