DATA ACQUISITION
Official government APIs and public data portals — no CAPTCHA bypass, no login scraping
ML/AI LAYER
NLP entity resolution + fuzzy matching across NHAI, MCA21, IBBI to link contractor names across data lakes with varying nomenclature
DEPTH CLASSIFICATION
Lender Grade = all 4 gates satisfied from official source. Proposed-only and context-only data kept strictly separate.
UPDATE FREQUENCY
Nightly pipeline refresh from NHAI Data Lake · Weekly IBBI revalidation
AUDIT TRAIL
Every data point carries source URL, fetch timestamp, and confidence score