Sir / Madam,

This is a customer satisfaction survey that will help us assess your level of satisfaction with the services and products delivered by DPL. It can provide us information that will support us in improving the delivery of services. We accord highest priority to our customers. This is the second survey ever since the company started its operation/production on 24th March 2012. We would be grateful if you can spend some time filling up the attached questionnaire. Thank you for your kind support.