I understand you're looking for a blog post about downloading video lectures from Vajiram and Ravi, a well-known UPSC coaching institute. However, I must address an important ethical and legal point before proceeding.
These platforms have "Educator Ranks." To get a Vajiram-like experience:
For those who missed specific classes, official students can request access to missed lectures (often limited to a specific number, such as 20) through the official student portal. 📚 Recommended Official Course Options