Than Sir tunnel is good option yahan sindh main tu kam dekha hai from Punjab mostly i saw they grow tomatoes and potatoes and exporting to Russia big client(here comes your export opportunity
.Recently visited Gharoo nice area lot of scope cousin bought per acre 3 lakh he want to do farming mostly 24 acres overall. Also checked MEmon goth real issue water.BTW Sir visited 2 years back to Balochistan very good option in fruits trees they offered huge potential if they work with new ways jannat elaqa hai Lasbella sy aagy jaaty hi .btw Gharo waghera ki taraf fish farming bhi kafi ho rahi hai .as told u by last failed experiment need area where can go daily in morning and return in evening so its limited my scope