While former skipper and ex-PCB director general Javed Miandad has termed chairman Najam Sethi's new appointments as unconstitutional, former chief selector Mohsin Khan has directly hit out at Waqar's appointment.
Waqar, who is due to take charge in June, said in his defence that he had applied for the head coach position as per the requirements of the Pakistan board.
"I followed the proper procedure while applying for the post and I was not appointed directly. So it is unfair to question my appointment," Waqar said.
"I think I have learnt a lot from my previous experience as head coach and obviously it will prove valuable for me when I take charge," he added.
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Waqar, who was also head coach in 2010-11 before he stepped down due to personal reasons, said he didn't foresee any problems in his second stint.
"Like I said I have learnt from the past and I think we have some match-winners who just needed to be guided and motivated properly."
"I think the media played up the Afridi issue as it was not such a big deal and was sorted out between us.