Prayagraj: Prayagraj Municipal Corporation has slapped demand notices on 6,908 owners, who have not paid house tax worth more than Rs 50,000 each. There are over 2.19 lakh registered house taxpayers in Prayagraj. The authorities have warned them to clear the dues within 15 days or be ready to face a legal action. PK Mishra, chief tax assessment officer, PMC, told TOI that 6,908 house owners, including 1,551 in zone one, 1,331 in zone two, 2,742 in zone three, 928 in zone four and 356 in zone five, have not paid their tax. tnn