Want a property tax waiver for 2014-15? Paint your house or apartment building white-and-blue. Yes, you've read it right. The proposal, which has mayor Sovan Chatterjee's blessings, was accepted in the mayor-in-council meeting on Monday.br br Mamata Banerjee's favourite colour scheme is all set to make it to private dwellings after transforming flyovers, bridges and government buildings across the city. She believes it will lift the city's spirits.