A Retrieval-Augmented Generation (RAG) system to answer questions from a PDF using LangChain, FAISS, and Grok, with a Gradio web interface.

1. Install dependencies: pip install -r requirements.txt
2. Set GROQ_API_KEY in Colab secrets or input it in the Gradio interface.
3. Run: python RAG_with_Gradio.py

See requirements.txt for dependencies.

• Upload a PDF via the Gradio interface.
• Enter a question and adjust retrieved documents if needed.
• View the answer and source document excerpts.