Flipkart's IT system has become one among the sophisticated and most extensive. The systems are more complex in many ways. In sites like IRCTC, all users
see same screen, but in flipkart even the screen changes based on user and system related algorithms.Flipkart  deals with  80 million products, and the vast 
numbers of reseller, delivery stations and delivery vehicles.“Each year we are getting 30% more precise,” says Utkarsh B, Principal Architect at Flipkart. They use
the technique geocoding. Krishna Raghavan who is the lead of technology support for supply chain management says that there are a lot of algorithms working out
with the optimal placement of inventory.