(c)[ "annual household income" means the aggregate of the gross annual income from all sources of all the members of a family during the year ending on the 31st December 1975;] [[Substituted for the following clause by section 3 of the Tamil Nadu Debt Relief (Amendment) Act, 1979 (Tamil Nadu Act 39 of 1979), which was deemed to have come into force on the 29th July 1976:-
