Investment in plot

Dear estate experts

I need your advice on below

* if i have to invest 20 lac kindly guide where to invest i have some option in my mind kindly check and guide which one is preference. Appreciate if some one from karachi will guide on my whatsup or call me at 03009277890

1. Invest at scheme 33 buy any plot not sure which society is legal and good. Don't know about area and files also.

2 . Invest at baharia in precent 28 or 29 at far for futhere investment . Don't know about precent and have no idea.

3. But any small flat in city area and get it rented out. Many area in mind i.E. Jamshed road, liaqat abad , gulshan etc