First Constitution
1956 Constitution contained 234 articles divided into 13 parts and 06 schedules.
Second Constitution
1962 Constitution contained 250 articles divided into 12 parts and 03 schedules.
Third Constitution
1973 Constitution contained 280 articles and 07 schedules with Objective Resolution.
The Constitution consists of 280 articles,
12 chapters and
a schedule divided into 7 chapters
Effective date: 14 August 1973
Drafted by the Government of Zulfiqar Ali Bhutto