Explanation:

- Begum Akhtar: Regarded as a legendary figure in Indian classical music, she is known as Mallika-e-Ghazal. She played a crucial role in popularizing the ghazal genre. Correct Answer

- Iqbal Bano: A celebrated ghazal and classical singer from Pakistan, most renowned for her renditions of Faiz Ahmed Faiz's poetry.

- Nayyara Noor: Known as "Bulbul-e-Pakistan," she was a prominent playback singer in Pakistan with a gentle, melodious voice.

- Farida Khanum: Often referred to as “Malika-e-Mauseeqi” or the Queen of Music, she is a Pakistani classical singer renowned for singing ghazals.