Pakistan and Iran should have good relations but policy makers should study in depth their strategic culture and beaware of them
Indian dream is Bharat Versh , they are Imperial at their cellular level . where as
Factor which shapes mind set of Iranian Strategic Elite is Pride in their national history and culture. Iran remained a dominant power throughout history. Their language and culture has strong marks on all Middle East and south and central Asia. In my personal experience many times I found Iranians under superiority complex. They Take pride in their history and culture and are bound in actions under its influence. During Shah Times, Iran tried to be a regional power. Shah of Iran dreamed Iran to be a super power one day. Iranian intervention in Oman to curb The Dhofar Rebellion (1962-75) was an effort in pursuit of role of leadership and regional power.
If we look both India and Iran share many common cultural values. Iranians are more practical. They are naturally near to each other. Pakistan should formulate policy regarding Iran with care