the indian consumers keenness to buy fell drastically postdemonetisation shows the buying propensity index in december 2016 indias buying propensity index bpi stood at 026 down 042 bpi points from november 068 the buying propensity index bpi is a measure of the buying sentiment or keenness to buy of india the indicator is a detailed analysis of three factors the transactional and aspirational buying sentiment of the indian consumer along with the environmental buying sentiment of the country the bpi value can range between 1 and 1 delhi took the worst knock ahmedabad seemed to be least affected by note ban the fall from nov to dec was sharp the demonetisation led to unnatural fluctuations in the buying sentiment the december fall was when the pain began to be felt more severely after the first salary cycle postdemonetisation n chandramouli ceo tra research source tra research the buying propensity index is a result of primary research covering 3000 consumerinfluencers across 8 tier 1 cities