Conversational Chatbot with RAG (LangChain + LLM + Streamlit) A fully conversational AI assistant that answers questions from your uploaded documents using Retrieval-Augmented Generation (RAG). It maintains chat history, retrieves relevant context, and generates accurate answers in real time — all powered by LLM and LangChain. Features: Context-aware Q&A with memory Upload documents and query them Fast LLM responses Modular RAG architecture with LangChain Streamlit chat interface Chat history tracking