S. 148A: Reassessment-Conducting inquiry, providing opportunity before issue of notice-Unexplained cash-Demonetisation-Recorded reason for reopening under section 148A(d) was found incorrect-Addition made on the basis of recorded reasons was deleted by CIT(A)-No further additions beyond the original reason could be sustained-All additions made without jurisdiction were deleted.[S.69A, 147, 148, 148A(b), 148A(d)]