Which of the following provisions was not added by the 42^nd Amendment Act, 1976?

Addition of three new words, i.e. socialist, secular and integrity in the preamble

Addition of fundamental duties

Provision for reservations in promotions in government jobs for scheduled castes and scheduled tribes.

Fixed the number of seats in the Lok Sabha and state legislative assemblies till 2001 on the basis of 1971 census.

Increased the term of Lok Sabha and state legislative assemblies from 5 to 6 years.