S. 148A: Reassessment-Conducting inquiry, providing opportunity before issue of notice-Grant of approval without application of mind-Benefits of giving opportunity of hearing after issue of initial notice under Section 148A(b)-Order passed under Section 148A(d) without giving requested opportunity of hearing-Approval by Principal Commissioner without application of mind-Order and consequent notice is set aside. [S. 147, 148, 148(A)(b) 148A(d), 149(1((b), 151, Art. 226]