The new selection committee headed by Inzamam-ul-Haq announced the probables, which also did not feature Shahid Afridi as Pakistan would be playing only one Twenty20 during the tour.
"Ahmed Shehzad and Umar Akmal have not been included in the training camp taking into view their past disciplinary record," Inzamam told a media conference in Lahore.
"Neither is their discipline good nor their recent performances consistent and impressive," he said.
The name of senior all-rounder, Shahid Afridi was also not included in the list of 35 probables announced for the camp to be set up this month.
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The camp is being set up in Abbotabad to prepare for the England tour from late June where Pakistan will play four Tests, five one-day internationals and one T20 match.
"Let me make one thing clear this selection committee is totally independent. The board gives us guidelines but in the end it is our decision on who to select and who not to select," the former captain said.
Inzamam made it clear that time had come to be firm on disciplinary issues.
Former coach Waqar Younis, in his report, strongly
recommended that Umar be dropped from the team while he was also critical about Shehzad's attitude and discipline.
Even after last year's World Cup Waqar and captain, Misbah-ul-Haq had recommended to the board to drop both players.
Inzamam said the selection committee had also not considered opener, Salman Butt for the camp since he had not played in a first class tournament as yet since his ban for spot-fixing expired last September.
"Younis Khan's case is not in domain of selection committee. Younis was penalised and fined by the match referee and then he later on also apologised to the cricket board. So he is free to be selected as far as the board is concerned," he added.
He also explained that Shahid Afridi was not in the camp for the England tour.
"We are looking at building a new team for T20 format but Shahid will be considered later on if necessary," he said.