Need advice on dha lahore phase 2, dha phase 5 block m, phase 9 or 8

Hi i am looking to invest in 1 kanal plot dha phase 2 or phase 5 extension block m or phase 9 or 8. Would appreciate expert opinion on each location and future prospects and appreciating value.

From above which is safe investment ? Current prices ?
What is meant by phase 9 file ? Has dha acquired phase 9 plots ?

Kind regards.

Ali