Bolan, Nari, Pishin, Lora Mulla, Hingol, Rakhshan, Dusht and Zhob are rivers of Balochistan, placing all those rivers within that province.

Balochistan is the province where the Kharan desert is located, so Balochistan is the correct answer.

Pasni port is located in Balochistan, so Balochistan is the correct province.

Balochistan comprises about 42% of Pakistan's land area, so 42% is the correct figure.

Khojak Tunnel in Balochistan is Pakistan’s longest railway tunnel, so Khojak is the correct choice.

The case was registered on 12th January 2012, so that date is the recorded filing date for Tethyan Copper Company's action against Pakistan.

Astola Island, off the coast of Balochistan, is Pakistan’s largest island and known as “Jazira Haft Talar” due to its seven hills, per Pakistan tourism records.

Pakistan consists of 4 federating provinces: Punjab, Sindh, Khyber Pakhtunkhwa, and Balochistan.

The Kachhi Canal project is designed to irrigate arid areas in Balochistan. Among the regions to benefit are Dera Bugti, Nasirabad, Bolan, and Jhal Magsi districts [1, p8]. Therefore, Nasirabad is a correct answer from the given options.

As of 2007, the Organization of the Islamic Conference (OIC), now known as the Organisation of Islamic Cooperation, had 57 member states [1, p6]. This number has remained relatively stable, although Syria's membership was suspended in 2012.