Bhaiya Hari Narayan Singh
Data Scientist & AI Engineer | Building Agentic AI at Nagarro
Gurugram, India
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Bhaiya Singh is an Associate Lead Data Scientist & AI Engineer at Nagarro,
specializing in Generative AI, Agentic AI, and Machine Learning. He designs
and delivers end-to-end AI solutions that create measurable business impact
across supply chain, manufacturing, energy, and utilities.
Bhaiya has a strong track record of turning complex AI challenges into
production-ready systems — from intelligent voice assistants and multi-agent
Talk-to-Data platforms to Agentic RAG pipelines and causal intelligence
solutions for enterprise operations.
Beyond engineering, he actively contributes to pre-sales and RFPs as part of
Nagarro's Data Science practice, mentors junior data scientists, and shares his
insights on AI through writing on Medium.
He is driven by one goal: helping teams move confidently from AI experimentation
to real-world, measurable impact.
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Area of Expertise
Topics
Operating OpenSearch as an AI-Native Vector Store for Agentic RAG Pipelines
As AI agents demand dynamic, multi-step reasoning over enterprise knowledge,
OpenSearch has evolved beyond keyword search into the backbone of Agentic RAG
(Retrieval-Augmented Generation) systems.
This session shares real-world experience operating OpenSearch at Nagarro to power
AI agents that don't just retrieve — they reason, re-rank, and iteratively query to
deliver accurate, context-aware answers.
What you'll learn:
- What makes RAG "agentic" — multi-hop retrieval, tool-calling agents, and
iterative query reformulation
- Configuring k-NN indexes (HNSW vs. IVF) for low-latency agent response loops
- Hybrid search (BM25 + semantic) to maximize retrieval accuracy per agent step
- Ingest pipelines for chunking, embedding, and metadata enrichment at scale
- Re-ranking with OpenSearch ML models to improve agent context quality
- Monitoring and observability: tracking retrieval quality in agentic workflows
- Hard lessons: failure modes in production agentic RAG and how we fixed them
Attendees leave with a practical blueprint to operate OpenSearch as the retrieval
engine for AI agents — applicable to chatbots, copilots, and enterprise
knowledge assistants.
Bhaiya Hari Narayan Singh
Data Scientist & AI Engineer | Building Agentic AI at Nagarro
Gurugram, India
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