[D]Trying to switch back to AI/ML — what skills are actually in demand right now?[R]

An AI/ML B.Tech graduate, currently benched in a different tech stack, is seeking guidance on which skills—core ML, Deep Learning, or GenAI tools like LLMs, LangChain, and RAG—to prioritize for re-entering the AI/ML job market as an ML/AI Engineer, given current industry demands.