There are several online study materials and video lectures available for the UPSC Management optional subject. These resources can be extremely helpful in preparing for the exam and gaining a better understanding of the subject matter. Here are some details about these study materials and video lectures:

1. EduRev:
- EduRev is a comprehensive online platform that offers a wide range of study materials and video lectures for UPSC Management optional subject.
- They provide notes, practice questions, and mock tests to help students prepare effectively for the exam.
- The platform also offers video lectures by expert faculty members, which are designed to provide in-depth knowledge and understanding of the subject.
- EduRev has a user-friendly interface and allows students to access the study materials and video lectures at their convenience.

2. Study Materials:
- There are various study materials available online for the UPSC Management optional subject.
- These materials include textbooks, reference books, and study guides that cover the entire syllabus of the exam.
- Students can find these materials on websites like EduRev, which offer free access to a wide range of study materials.
- It is advisable to refer to multiple sources to get a comprehensive understanding of the subject matter.

3. Video Lectures:
- Video lectures are an excellent way to grasp complex concepts and gain a better understanding of the subject.
- Many online platforms, including EduRev, offer video lectures by renowned faculty members who have expertise in the UPSC Management optional subject.
- These lectures cover various topics of the syllabus, providing detailed explanations and examples to facilitate better understanding.
- Students can watch these lectures multiple times, pause, and rewind to clarify any doubts or concepts they find challenging.

Overall, these online study materials and video lectures are valuable resources for preparing for the UPSC Management optional subject. They provide comprehensive coverage of the syllabus, offer in-depth explanations, and help students develop a strong foundation in the subject. It is recommended to make the most of these resources to enhance your preparation and increase your chances of success in the UPSC exam.