The poet who imprisoned for Rawalpindi Conspiracy Case was:

The famous Pakistani poet and intellectual Faiz Ahmed Faiz who faced imprisonment for the Rawalpindi Conspiracy Case in 1951. Faiz faced charges of conspiracy to overthrow Prime Minister Liaquat Ali Khan's government because he served as a senior Communist Party member and worked as editor of Pakistan Times while military officers including Major General Akbar Khan plotted their coup. He faced treason charges and spent four years in prison after he received a death sentence which he narrowly escaped. During his time in prison he created his most well-known poetry which later appeared in Dast-e-Saba and Zindan-Nama. Faiz received his release from prison in 1955 after the government changed.