![Flipkart's office in Bangalore](http://media.assettype.com/barandbench%2Fimport%2F2015%2F09%2FScreen-Shot-2015-09-28-at-7.03.00-pm-e1473665965900.png?w=480&auto=format%2Ccompress&fit=max)
Soft-Bank, the world’s largest technology investment firm, has bought a fifth of India’s most valuable startup — Flipkart — for a mammoth $2.5 billion, in a deal that marks the biggest private investment in the country’s consumer technology sector, reported ET.