---
title: "Debashis Nandy (@debashisn) | Hashnode"
description: "Debashis Nandy (@debashisn) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@debashisn"
---

@debashisn

# Debashis Nandy

@debashisn · Pune, India · Joined June 2026

[Website](https://debashis.tech/)

### [RAG: The Ground-Up Guide](https://debashisn.hashnode.dev/rag-the-ground-up-guide?utm_source=hashnode&utm_medium=feed)

Peeling back the layers of RAG: What’s really happening under the surface?

8 min read · [debashisn.hashnode.dev](https://debashisn.hashnode.dev/rag-the-ground-up-guide?utm_source=hashnode&utm_medium=feed)

[Jul 18](https://hashnode.com/posts/rag-the-ground-up-guide/6a5b48f14137412c61cff435)

### [How ChatGPT Understands and Responds to Your Questions](https://debashisn.hashnode.dev/how-chatgpt-works?utm_source=hashnode&utm_medium=feed)

Understanding the AI behind ChatGPT's ability to interpret and respond to your prompts

7 min read · [debashisn.hashnode.dev](https://debashisn.hashnode.dev/how-chatgpt-works?utm_source=hashnode&utm_medium=feed)

[Jun 30](https://hashnode.com/posts/how-chatgpt-works/6a4413c5074e7eb1c00afc92)