--- title: "Rishi Kumar Singh (@rishisingh) | Hashnode" description: "Rishi Kumar Singh (@rishisingh) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@rishisingh" --- @rishisingh # Rishi Kumar Singh @rishisingh · Joined February 2025 ### [Mastering Advanced Retrieval Augmented Generation (RAG): Scaling, Accuracy, and Production Pipelines](https://rishisingh1034.hashnode.dev/mastering-advanced-retrieval-augmented-generation-rag-scaling-accuracy-and-production-pipelines?utm_source=hashnode&utm_medium=feed) Retrieval Augmented Generation (RAG) is the engine behind many enterprise-ready chatbots, document assistants, and knowledge copilots. While basic RAG merges search and generation, advanced systems leverage new architectures and methods to ensure acc... 3 min read · [rishisingh1034.hashnode.dev](https://rishisingh1034.hashnode.dev/mastering-advanced-retrieval-augmented-generation-rag-scaling-accuracy-and-production-pipelines?utm_source=hashnode&utm_medium=feed) [Aug 22, 2025](https://hashnode.com/posts/mastering-advanced-retrieval-augmented-generation-rag-scaling-accuracy-and-production-pipelines/68a8781565e2edc12e9140ed) ### [Why RAG Systems Fail (and How to Fix Them): Common Pitfalls and Fast Mitigations](https://rishisingh1034.hashnode.dev/why-rag-systems-fail-and-how-to-fix-them-common-pitfalls-and-fast-mitigations?utm_source=hashnode&utm_medium=feed) Retrieval Augmented Generation (RAG) has opened the door for Large Language Models to become more trustworthy and useful by grounding them in external data—your documents, knowledge bases, support tickets, or legal texts. But even the best RAG setups... 4 min read · [rishisingh1034.hashnode.dev](https://rishisingh1034.hashnode.dev/why-rag-systems-fail-and-how-to-fix-them-common-pitfalls-and-fast-mitigations?utm_source=hashnode&utm_medium=feed) [Aug 20, 2025](https://hashnode.com/posts/why-rag-systems-fail-and-how-to-fix-them-common-pitfalls-and-fast-mitigations/68a5e92950476a0b97bacd35) ### [Retrieval Augmented Generation (RAG): Making AI Smarter with Your Data](https://rishisingh1034.hashnode.dev/retrieval-augmented-generation-rag-making-ai-smarter-with-your-data?utm_source=hashnode&utm_medium=feed) Retrieval Augmented Generation, or RAG, is taking the AI world by storm. It helps models like ChatGPT deliver relevant, up-to-date, and fact-based answers by tapping into your own documents, not just what they were trained on. But how does it actuall... 4 min read · [rishisingh1034.hashnode.dev](https://rishisingh1034.hashnode.dev/retrieval-augmented-generation-rag-making-ai-smarter-with-your-data?utm_source=hashnode&utm_medium=feed) [Aug 20, 2025](https://hashnode.com/posts/retrieval-augmented-generation-rag-making-ai-smarter-with-your-data/68a5e4d9588a8e18c37c5d95) ### [Demystifying Agentic AI: What Are AI Agents, How Do They Work, and Why Tools Matter](https://rishisingh1034.hashnode.dev/demystifying-agentic-ai-what-are-ai-agents-how-do-they-work-and-why-tools-matter?utm_source=hashnode&utm_medium=feed) Artificial Intelligence has entered a new era—one where software doesn’t just process data but acts with intention. This era is powered by Agentic AI: systems of autonomous agents that can perceive, reason, act, and learn, all while using a growing s... 4 min read · [rishisingh1034.hashnode.dev](https://rishisingh1034.hashnode.dev/demystifying-agentic-ai-what-are-ai-agents-how-do-they-work-and-why-tools-matter?utm_source=hashnode&utm_medium=feed) [Aug 18, 2025](https://hashnode.com/posts/demystifying-agentic-ai-what-are-ai-agents-how-do-they-work-and-why-tools-matter/68a33f478c30da8d67286cc0) ### [A Thinking Model from a Non-Thinking Model with Chain-of-Thought](https://rishisingh1034.hashnode.dev/a-thinking-model-from-a-non-thinking-model-with-chain-of-thought?utm_source=hashnode&utm_medium=feed) AI is getting smarter, but not all language models truly “think” when solving tough problems. Some act like parrots—repeating what they’ve seen before—while others can break down problems step by step, much like humans. The secret behind this transfo... 3 min read · [rishisingh1034.hashnode.dev](https://rishisingh1034.hashnode.dev/a-thinking-model-from-a-non-thinking-model-with-chain-of-thought?utm_source=hashnode&utm_medium=feed) [Aug 15, 2025](https://hashnode.com/posts/a-thinking-model-from-a-non-thinking-model-with-chain-of-thought/689f4962fb3187a7148a91be)