Best short-term investment option in islamabad

What is the best short term (3 years) investment option in islamabad for a budget of 1 crore?

10 marla plot DHA 5 in my opinion

I have a 13 marla park face back open possession plot on my name for sale in Emaar Canyon Views DHA-5 Islamabad. 03436234654

New Airport area will increase regardless of current situation as too many outsiders are moving in to this area.

Metro project will also be completed as supreme court passed very strong remarks today.

Yes, new airport side, 18-Islamabad will also boost the area as the society is high profile and work is on fairly good pace.

Dollar or gold vs real estate for an expected gain of 30 to 40% over three yr period ?