"We realise just how important it is for world cricket to have regular matches between Pakistan and India but unfortunately the ICC cannot interfere in this matter as it is a bilateral matter purely between two boards," Richardson told the "Express" newspaper.
He pointed out that the spectator and viewer interest in Pakistan and India matches was phenomenal and it was great for cricket as a sport.
"We have seen the interest and hype their matches generate even in ICC events but after the new governance system now bilateral tours are to be decided between individual boards and the ICC is only responsible for posting match officials," he said.
Richardson also ruled out the impression that the ICC was not happy on revival of international cricket in Pakistan with the tour of the Zimbabwe side recently.
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"We didn't send match officials because we look at a situation differently from national teams but it is not as if we don't support having international cricket in Pakistan. I thought it was a boost for Pakistan with the passion their people showed for the Zimbabwe series. International cricket needs Pakistan as a strong cricket nation and team and we are always looking at ways to support them," he stated.
Zimbabwe became the first Test side to tour Pakistan in six years.
The ICC official said that the ICC was directly responsible for the security of the match officials and had to take a decision by itself.
Richardson also made it clear he always liked going to Pakistan but this time couldn't accept the invitation to visit Lahore for the Zimbabwe series due to prior commitments.
The ICC official said that if any other board wants to send its team to Pakistan it is a matter between the two boards and they have to deal with all aspects of the tour.