बाल विकास एवं शिक्षाशास्त्र - (Child Development) is an Android application developed by Ajay Nigam and falls under the category of Education & Reference. The app is free to download and provides its users with important CTET, UPTET, BTET, RTET, CgTET question and answer in Hindi.

The app is designed to assist those who are preparing for the CTET, UPTET, BTET, RTET, and CgTET exams and are looking for a comprehensive resource to help them in their preparation. The app is easy to navigate and provides a wide range of questions and answers related to the field of Child Development and Pedagogy. The questions are well-organized and cover a variety of topics, making it a useful tool for those who want to improve their knowledge in this area.