Flipkart CFO Karandeep Singh quits after just over a yearFacebook claims 71M active users in India or around half of netizens in the countrySeedfund-backed Fetise co-founder & CEO Abhishek Shah steps downIxora Ventures invests in 3 startups; raising maiden seed-cum-early stage fundMobile group messaging service SMS GupShup rebrands to GupShup, launches messenger appTimes Internet-backed Instamedia sold off; founder launches SaaS platform BetaoutBlackBerry eyes future beyond its new line of devicesTwitter acquires social TV analytics company Bluefin Labs