Types of RAG in AI Explained in Tamil | Powerful Types of RAG You MUST Know! | Karthik's Show

RAG is more than just “retrieve and answer.” Today, AI systems use many advanced forms of Retrieval-Augmented Generation — from Basic RAG to Advanced RAG, Graph RAG, Multi-Modal RAG, and even Agentic RAG. In this video, I break down the most important types of RAG, how they work, where to use them, and which one is right for your AI project. This is a beginner-friendly explanation with simple examples, perfect for anyone learning AI, LLMs, or building chatbots, copilots, or AI agents. What is RAG: https://youtu.be/163HyouAVak Vector DB explained: https://youtu.be/1fuCws-gPYo RAG vs Finetunin…