Tata Consultancy Services, India's biggest software services company, kicked off the fiscal second quarter earnings season on Friday. It reported revenues of $6.33 billion for the three months ended September 30. Revenues grew 15.5 percent over the same period one year ago, in constant currency, the company said in a press release after the close of Mumbai trading on Friday. Profits rose 14 percent to $1.3 billion. And in our tech conversation, we speak with Silicon Valley serial entrepreneur Jahangir Mohammed, founder and CEO of Twin Health