Explanation

Sobia Khanum is the correct answer as she was appointed as a woman SHO at a regular Police Station in Balochistan for the first time. Tooba Tariq is not mentioned as the person who achieved this milestone. Pari Gul Tareen is also not cited as the first woman SHO in this context. Sonia Shamrooz is incorrect because she has not been reported as the first woman SHO in Balochistan.