Bharti Airtel handles around 8 billion calls daily generating humongous amount of data. Based on this it has divided its customers into nearly 100,000 segments to whom it offers customised products based on their usage pattern. Right now it is working to provide at least three services to each customer, to improve stickiness, working on the insight that customers for multiple services tend to stay on longer than single service users. Further, due to call drops it was facing the problem of churn. At nearly 40% it was a huge number. When it analysed the data it found that a customer was most likely to switch to another service provider if six or more calls dropped in a day. So a software was developed that offers customers free SMSes after the sixth call drop.
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