Warren Buffet firm's Gujarat project hangs in balanceThe fate of US $ 245-million (approx. Rs 1,356 crore at current exchange rates) chlorinated polyvinyl chloride (CPVC) unit, proposed to be set up through a joint venture between billionaire investor Warren Buffet's firm, Lubrizol Corporation and Ahmedabad-based Astral Poly Technik Ltd, is hanging in the balance as there is no progress on the project since the announcement was made in September last year.