Business-to-business (B2B) e-commerce major Udaan on Wednesday said it has raised USD 280 million (about Rs 2,048 crore) in funding from existing and new investors, including Lightspeed Venture Partners and Tencent, according to PTI report. Existing investors of Udaan – Lightspeed Venture Partners, DST Global, GGV Capital, Altimeter Capital, and Tencent – participated in the…