Edited sentence: Mukesh Ambani's foray into the retail sector, true to his normal business style, entails pumping in massive amounts of investment on an all-India basis with a view to capture unmatched efficiencies of scale.Reliance Retail seeks to build a complete farmer-to-consumer supply chain, thereby generating margins through disintermediation and benefiting players at both ends.Reliance Retail, it is estimated, will invest no less $5 billion dollars over the next five years to capture a sizeable chunk of the rapidly expanding organised retail sector in India