Loop, an Indian healthcare and insurance startup has raised $25 Million in a Series B round co-led by General Catalyst and Elevation Capital, with significant participation from leading Silicon Valley investor - Vinod Khosla and Khosla Ventures, as well as a new investor, Optum Ventures. Existing investor Sierra Ventures also participated. This round comes just 6 months after Loop raised a $12M Series A round, bringing the total funds raised till date to $40 Million.