Agentic AI Document Intelligence System
Built a production-ready agentic RAG system using LangGraph and LangChain with dynamic tool routing between FAISS vector search and Wikipedia API. Developed PDF ingestion, chunking, embeddings, stateful multi-turn workflows, and a Streamlit application, achieving RAGAS faithfulness of 0.91, context recall of 0.87, and answer relevance of 0.89.
Medical Image Classification: Pneumonia Detection (CNN)
Designed and trained an 8-layer CNN on 2,000+ chest X-rays, achieving 94.2% test accuracy and 0.97 AUC-ROC. Applied augmentation, batch normalization, dropout, and learning-rate scheduling, then deployed a Dockerized FastAPI inference service with Grad-CAM explainability.
Metro Operations Optimization: AI-Driven Transit Forecasting
Built an LSTM transit ridership forecasting model achieving RMSE of 142 versus a Prophet baseline of 198, a 28% improvement. Applied GNNs for congestion-hub node classification with 83% node-level accuracy, tracked experiments with MLflow, and packaged the pipeline with Docker.
Customer Churn Prediction: XGBoost + Explainability
Analyzed 2K+ customer records, built Logistic Regression, Random Forest, and XGBoost models, achieved 0.89 AUC-ROC with XGBoost, and reduced false negatives by 18% using SHAP insights and threshold tuning. Developed Power BI dashboards for churn trends and customer segments.