Lakshmi Sahasranamam is the 1000 names of Goddess Lakshmi. The prayer is chanted for peace and prosperity and for overcoming fear and diseases. The stotram in Tamil in pdf format is given below. The prayer is in printable pdf format. The file is provided by Sunder Kidambi of Prapatti website.
You can download the Lakshmi Sahasranamam PDF Tamil here
It is believed that a person will be blessed with good luck, wealth and money if the prayer is chanted daily in the morning during sunrise.