Bengaluru-based healthcare startup SigTuple has raised $16 million in the Series C round of funding. Founded 2015 by former American Express employees Rohit Kumar Pandey, Tathagato Rai Dastidar and Apurv Anand, the company has raised $19 million from their last round. The Series C round was led by Accel Partners, Chiratae Ventures, Pi Ventures and?