S. 148A: Reassessment-Conducting inquiry, providing opportunity before issue of notice-Capital gains-Full value of consideration-Stamp valuation-Non application of mind-Notice and consequential order was quashed by High Court-Delay of 331 days-SLP of revenue was dismissed as th delay has not been satisfactorily explained. [S. 50C, 148, 148A(b), 148A(d), Art. 136]