S. 147 : Reassessment-Business income-Value of any benefit or perquisite, arising from exercise of business or profession-Merger-Demerger-Transfer of Passive Infrastructure Assets (PIA) to ICTIL and subsequent amalgamation into Indus Towers, and demerger of telecom undertaking of ABTL-Scheme approved by High Court-No colourable device-Provision of section 28 (iv) cannot be applied-Non-compete fee-Change of opinion-amount debited in P&L Account as Employees Stock Scheme had been disallowed as being a contingent liability-Change of opinion-Reassessment is not valid.[ S.28(iv), 37(1), 1115JB,148]