The Rs 6,000-crore further fund offer (FFO) of the Central Public Sector Enterprises exchange-traded fund or CPSE ETF is relying on investments by retirement funds. Both private and the Employees' Provident Fund Organisation (EPFO) are expected to apply in the second tranche of the fund, which opens for subscription on Tuesday. “Such a high amount has hardly ever been raised through new or further fund offer. The participation of pension funds will be critical,” said a person close to the development. The Employees’ Provident Fund’s recent doubling of equity investment limit to 10 per cent on incremental corpus is expected