Balochistan Assembly (BA) came into being in 1972. The inaugural session of the first assembly was held on April 26, 1972 which was presided over by Khan Abdul Samad Khan Achakzai who administered oath from its members. There were a total of 20 members hitherto in the house. Then Zulfiqar Ali Bhutto dissolved the assembly and imposed governor rule (Governor Raj) and appointed Nawab Akbar Khan Bugti as governor Balochistan on February 14, 1973.
During the first assembly, Khan Abdul Samad Khan Achakzai presented the first adjournment motion in the House. Jam Ghulam Qadir tabled the first privileged motion and Shahnawaz Shahliani spoke first on ‘point of order’ while Maulana Syed Shams-ud-Din presented the first official resolution regarding imposition of ban on sale of wine in the province.
The inaugural session of the second assembly was held on March 31, 1977 which was presided over by outgoing speaker Sardar Muhammad Khan Barozai. The number of seats was raised to 43 in the house. The assembly functioned only 96 days. Then, General Zia-ul-Haq imposed martial law and dissolved the assembly on July 5, 1977.
The first session of third assembly was held on March 23, 1985 which was presided over by Nawab Temoor Shah Jogezai. Then, General Zia dissolved the assembly in May the same year.
The opening session of fourth assembly was held on November 3, 1988. Outgoing speaker Malik Sarwar Khan Kakar chaired the session. The then governor Balochistan general (Retd.) Muhammad Musa Khan dissolved the assembly on December 16, 1988. Nawab Akbar Khan Bugti challenged the dissolution of the assembly in Balochistan High Court-BHC through his counsel, Iftikhar Muhammad Chaudhry, who became chief justice of Pakistan. A full bench of BHC declared the dissolution of the house as illegal and restored the assembly on January 18, 1989. Finally, the assembly was dissolved on August 8, 1990.
Then, the fifth assembly came into existence after election as its inaugural session was held on November 17, 1990. Outgoing speaker Zahoor Hussain Khosa chaired the session. The house was dissolved on July 11, 1993.
The swearing-in session of sixth assembly was held after 1993 elections on October 18, 1993 which was presided over by the leaving speaker Malik Sikandar Khan advocate. The house was dissolved in November 1996.
After the February 1997 elections, the seventh assembly came into being with its inaugural session held on February 11, 1997. The session was chaired by retiring speaker Waheed Baloch. The house was dissolved on October 12, 1999.
Following the October 2002 general elections, the eighth and first historic graduate assembly came into being as its first session was held on November 28, 2002. The session was chaired by outgoing speaker Abdul Jabbar Khan. The number of members was increased to 51 general seats and 14 reserved seats including 11 for women and three for minorities (total 65 seats which is still intact). It was the first assembly which completed its five years term for the first in history in November 2007. The assembly-2002/07 will be remembered with having the strongest opposition comprising Baloch and Pashtoon nationalists in the history of Balochistan.