Online grocery store BigBasket (Supermarket Grocery Supplies Pvt. Ltd) has raised INR 45 crore from venture debt firm Trifecta Capital to meet capital expenditure requirements, even as the company talks to a host of investors to raise at least $100 million (about INR 650 crore). The funds will be used to set up new warehouses and facilities for reprocessing fruits and vegetables, and for strengthening the cold chain infrastructure.