Purnia Municipal Corporation or Purnia Nagar Nigam, is the civic body that governs Purnia, a city of Bihar in India. Municipal Corporation mechanism in India was introduced during British Rule with formation of municipal corporation in Madras (Chennai), later followed by municipal corporations in Bombay (Mumbai) and Calcutta (Kolkata). Purnia Municipal Corporation consists of democratically elected members, is headed by a Mayor, and administers the city's infrastructure, public services, and supplies.