--- title: "Bibek Kumar Buranwal (@bibekkmr15) | Hashnode" description: "WebDev, GenAI, Agentic AI, Artificial Intelligence. Read the latest articles by Bibek Kumar Buranwal on Hashnode." url: "https://hashnode.com/@bibekkmr15" --- @bibekkmr15 # Bibek Kumar Buranwal @bibekkmr15 · India · Joined August 2025 WebDev, GenAI, Agentic AI, Artificial Intelligence ### [Understanding Agentic AI: How Intelligent Agents Work and Use Tools](https://bibekkmr15.hashnode.dev/understanding-agentic-ai-how-intelligent-agents-work-and-use-tools?utm_source=hashnode&utm_medium=feed) Most AI systems we use today—like chatbots—simply wait for input before responding. Agentic AI is different. Instead of just reacting, it can take initiative: set goals, plan steps, and use external tools to complete tasks autonomously. Think of it a... 3 min read · [bibekkmr15.hashnode.dev](https://bibekkmr15.hashnode.dev/understanding-agentic-ai-how-intelligent-agents-work-and-use-tools?utm_source=hashnode&utm_medium=feed) [Aug 31, 2025](https://hashnode.com/posts/understanding-agentic-ai-how-intelligent-agents-work-and-use-tools/68b4934b32b41ebcb685443e) ### [Where RAG Fails: Common Failure Cases and Quick Mitigations](https://bibekkmr15.hashnode.dev/where-rag-fails-common-failure-cases-and-quick-mitigations?utm_source=hashnode&utm_medium=feed) Introduction & Why RAG Fails Introduction Retrieval-Augmented Generation (RAG) improves AI answers by combining: Retrieval: Searching a knowledge base (like PDF) for relevant information. Generation: Producing a response based on retrieved data. ... 7 min read · [bibekkmr15.hashnode.dev](https://bibekkmr15.hashnode.dev/where-rag-fails-common-failure-cases-and-quick-mitigations?utm_source=hashnode&utm_medium=feed) [Aug 31, 2025](https://hashnode.com/posts/where-rag-fails-common-failure-cases-and-quick-mitigations/68b490d484da8339e862d68f) ### [A Smarter AI: A Beginner’s Guide to Retrieval-Augmented Generation (RAG)](https://bibekkmr15.hashnode.dev/a-smarter-ai-a-beginners-guide-to-retrieval-augmented-generation-rag?utm_source=hashnode&utm_medium=feed) Have you ever asked an AI a question and it confidently gave you the wrong answer? Or maybe you asked about something very specific—like your company’s new policy—and it replied, “I don’t have that information.” These are common limits of Large Lang... 5 min read · [bibekkmr15.hashnode.dev](https://bibekkmr15.hashnode.dev/a-smarter-ai-a-beginners-guide-to-retrieval-augmented-generation-rag?utm_source=hashnode&utm_medium=feed) [Aug 31, 2025](https://hashnode.com/posts/a-smarter-ai-a-beginners-guide-to-retrieval-augmented-generation-rag/68b489c8c5688062d8125ff3) ### [The Language of AI: A Beginner’s Guide to Vector Embeddings](https://bibekkmr15.hashnode.dev/the-language-of-ai-a-beginners-guide-to-vector-embeddings?utm_source=hashnode&utm_medium=feed) Have you ever wondered how Netflix knows what movie you’ll enjoy next, or how Google finds a website that doesn’t even use the exact words you typed? The secret lies in a powerful technique called vector embeddings. Vector embeddings are the bridge b... 3 min read · [bibekkmr15.hashnode.dev](https://bibekkmr15.hashnode.dev/the-language-of-ai-a-beginners-guide-to-vector-embeddings?utm_source=hashnode&utm_medium=feed) [Aug 31, 2025](https://hashnode.com/posts/the-language-of-ai-a-beginners-guide-to-vector-embeddings/68b486c3c3b72dccd0d227c4) ### [The Hidden Director: Mastering System Prompts and AI Interactions](https://bibekkmr15.hashnode.dev/the-hidden-director-mastering-system-prompts-and-ai-interactions?utm_source=hashnode&utm_medium=feed) Every time you interact with an AI, there's a conversation happening behind the scenes. While you provide the questions and instructions, a hidden set of rules—known as the system prompt—is quietly guiding the AI's behavior. It’s the difference betwe... 5 min read · [bibekkmr15.hashnode.dev](https://bibekkmr15.hashnode.dev/the-hidden-director-mastering-system-prompts-and-ai-interactions?utm_source=hashnode&utm_medium=feed) [Aug 31, 2025](https://hashnode.com/posts/the-hidden-director-mastering-system-prompts-and-ai-interactions/68b4830eb1e2a941f5a2365e)