NICler is a mobile application developed by the National Informatics Centre for the School Education Department in Chhattisgarh. The app is designed to capture student answers for multiple-choice questions without any electronic device in their hands.

NICler uses OpenCV and ArUco marker technology to recognize and capture student answers. The app is user-friendly and easy to navigate, making it accessible for both students and teachers. With this app, teachers can easily evaluate student responses and provide feedback.

Overall, NICler is a useful tool for the education sector, especially for schools in Chhattisgarh. The app is free to use and can be downloaded on Android devices. If you are a teacher or student in the education sector, NICler is definitely worth checking out.