Developed an AI-powered Video Assistant that transcribes YouTube videos and local media files using OpenAI Whisper (English) and Sarvam AI (Hindi/Hinglish). Implemented a RAG pipeline using LangChain, ChromaDB, Sentence Transformers, and Mistral AI to generate summaries and enable conversational Q&A over video transcripts. Built both a CLI and Streamlit-based web application for end-to-end video intelligence and knowledge retrieval.