IDBI Bank's Sales Line: Ministry of Finance Defends Valuation Process, Says Reserve Price Hasn't Changed The Ministry of Finance has defended the valuation process used in the sale of Bank E shares. The. B, and said that the methodology and submission procedure were reviewed and approved by the core group of secretaries on disinvestment. He said Fairfax's offer of Rs 81 per share was above the estimate and independent fair value assessments, while safeguards such as a double-blind process and limited tax indemnity helped maximize value for the government and LIC.