Swachh Delhi: PWD Delhi is a free Android application designed by Calibre Websol Private Limited. The app is aimed at promoting cleanliness and hygiene in the city of Delhi, India. It is developed specifically for the Public Works Department (PWD) of Delhi.

The primary objective of the app is to enable citizens to report any issues related to cleanliness and sanitation by taking photographs of the problem areas and submitting them through the app. The app also provides the facility to report any issues related to the maintenance of government assets in the field of built environment and infrastructure development. The app is a great way for citizens to take an active role in keeping their city clean and well-maintained.