Zinka Logistics Solutions Pvt. Ltd, which operates business-to-business (B2B) technology-enabled logistics startup BlackBuck, has raised $36.07 million (Rs 249.78 crore at the current exchange rate) as part of an ongoing funding round. Venture capital firm Accel, an existing investor, led the fresh infusion by contributing $30.92 million (Rs 214.10 crore), show filings with the Ministry of Corporate Affairs. B Capital, the venture capital firm floated by Facebook co-founder Eduardo Saverin, put in the rest. B Capital had earlier invested $12.8 million (Rs 89.20 crore) as part of a $43.53 million round led by US-headquartered investment bank Goldman Sachs last month.