Minister for Information and Broadcasting Attaullah Tarar has said all legal procedures were followed regarding the passage of the historic 26th Constitutional Amendment.Responding to a point of order at the National Assembly, he said all four independent members cast their votes of their own free will and under no duress.Dispelling the impression of any haste, the Minister said that around two months were spent on negotiations among all political parties. He said the PTI also participated in the negotiation process.He said that, by and large, it was a consensus document.Attaullah Tarar said that PTI is suffering from internal infighting and should put its own house in order instead of pointing fingers at others.Source: Radio Pakistan