The MPSC Group C PSI STI Exam राज्यसेवा पूर्व परीक्षा app, developed by Nil Infotech, is a free education and reference app available on Android. This app is designed to provide all the necessary information and study material for various competitive exams, including the Police Sub-Inspector (PSI), Sales Tax Inspector (STI), Assistant, Forest Department and Maharashtra Teacher Eligibility Test (TET) conducted by the Maharashtra Public Service Commission (MPSC).

The app offers comprehensive information about various subjects and short notes that are relevant for the competitive exams. It is a useful app for students who are preparing for the MPSC Group C exams. The app is user-friendly and easy to navigate. It provides complete information about the exams, including the syllabus, exam pattern, and previous years' question papers. The app also offers mock tests and quizzes to help students evaluate their knowledge and improve their performance.