Before buying or reading, you must distinguish between the two types of materials available:
: Capture interest and convey a clear understanding of the topic.
The journey of an IAS aspirant often winds through the crowded lanes of in Delhi , where the name Vajiram & Ravi has been a staple since 1976. Their notes are more than just paper; for many, they are the "holy grail" of UPSC preparation, famously known as the " Yellow Books " . The Story of the Yellow Books
