Anjan Kumar

Built an AI chatbot answering climate change questions with cited responses grounded in authoritative texts via RAG and LLM Developed end-to-end RAG pipeline over 420 IPCC AR6 pages using LangChain, ChromaDB and 4 different retrieval strategies Performed semantic search via sentence-transformers (384-D vectors), indexing 3,918 chunks across 3 sizes into ChromaDB

Generative AI and RAG | Research Internship at University of Oulu (2026-04 – Present)

• Built an AI chatbot answering climate change questions with cited responses grounded in authoritative texts via RAG and LLM
• Developed end-to-end RAG pipeline over 420 IPCC AR6 pages using LangChain, ChromaDB and 4 different retrieval strategies
• Performed semantic search via sentence-transformers (384-D vectors), indexing 3,918 chunks across 3 sizes into ChromaDB
• Deployed GenAI app on Streamlit Cloud using Llama 3.1 8B via Groq API, delivering real-time cited answers grounded in IPCC
• Documented vocabulary mismatch as an RAG failure in scientific NLP through systematic comparison of 4 retrieval methods

Sub Head at UP Bihar Jharkhand Cultural Society (UBJCS), IIT Kharagpur (2025-07 – Present)

• Coordinated planning and execution of cultural events by managing cross-functional teams, event logistics, and volunteers
• Oversaw budgeting, sponsor coordination, and resource allocation to ensure smooth event operations and executions
• Spearheaded digital marketing campaigns and creative design initiatives, driving a 30%+ increase in student engagement

Head | Media and Publicity at Gopali Youth Welfare Society (GYWS) (2025-06 – Present)

• Managed social media accounts, event photography and prepared various update reports as a member of the Media team
• Contributed significantly to the development of Jagriti Vidya Mandir and supported the academic growth of its students
• Helped organise the campus donation drive Yogdaan, successfully raising 6.43 lakhs to support the development of the students

Associate Member at Megalith, IIT Kharagpur (2024-09 – 2025-07)

• Coordinated with team members for planning and smooth execution of events and initiatives within strict deadlines consistently
• Managed logistics, documentation, and backend operations for major Megalith events, workshops, and ongoing activities
• Conducted extensive outreach campaigns, calling (300+) major colleges across India to drive participation, expanding the fest
• Executed targeted on-ground publicity drives across regional institutes to maximise brand visibility and boost offline engagement

B.Tech – IIT Kharagpur (2024)

12th BSEB – Gaya College, Gaya (2023 – 2023)

10th BSEB – +2 High School, Chakand, Gaya (2021 – 2021)