The Taliban has refused to release the sons of former prime minister Yousuf Raza Gilani and slain Punjab governor Salman Taseer.
The terror outfit has however conditionally agreed to set free the former vice-chancellor of Peshawar's Islamia College University.
According to Dawn News, sources said Interior Minister Chaudhry Nisar Ali Khan and members of the government negotiating team, who met the TTP, said the Taliban wanted the governemn to set free two terrorist jailed in sindh in return for release of Professor Ajmal Khan.
Professor Ajmal has been under Taliban custody since Sept 7, 2010. He was kidnapped at gunpoint from Professors' Colony in the University of Peshawar, along with his driver. The driver was set free after two years.