Section 4(1)(b) in The Cess Laws (Repealing And Amending) Act, 2006
(b)affect the validity, invalidity, effect or consequences of anything already done or suffered, or any right, title, obligation or liability already acquired, accrued or incurred or any remedy or proceeding in respect thereof, or any release or discharge of or from any debt, penalty, obligation, liability, claim or demand, or any indemnity already granted, or the proof of any past act or thing;(c) affect any principle or rule of law, or established jurisdiction, form or course of pleading, practice or procedure, or existing usage, custom, privilege, restriction, exemption, office or appointment, notwithstanding that the same respectively may have been in any manner affirmed or recognised or derived by, in or from any enactment hereby repealed;