Paryavaran Adhyayan CTETTET is a free Android application developed by Adhiraj that aims to provide a comprehensive study of environmental science based on NCERT curriculum. The app is designed to ensure the success of students in environmental science exams and is focused on providing high-quality content.

The app features a detailed study of various topics related to environmental science, including living and non-living things, food, health, cleanliness, agriculture, water, air, energy, and more. It also covers topics such as Indian diversity, indigenous people, art, festivals, language, travel, natural disasters, and sports. The app is divided into four parts, including environmental studies, environmental education, sports, and information technology.

The app's main objective is to provide students with better study material to help them achieve their goals. Although the app's design is not given much importance, the content is well researched and informative. The app encourages users to rate the app five stars and provide feedback to help the developer improve the app's content. Overall, Paryavaran Adhyayan CTETTET is an excellent study app for students who want to excel in environmental science.