Karbon Card, a financial platform for Indian entrepreneurs, announced it has raised $12 million in a Pre-Series A round from Unicorn Ramp, Rainfall Ventures, Roka Works, Y Combinator, and other global investors. Founded in 2019 by Pei-fu Hsieh, Amit Jangir, Kartik Jain and Sunil Sinha, Karbon was selected by Y Combinator in the Summer 2021 batch and had…