Orange, grapefruit, litchi no fruits and leaves diseases

Hello,
Leaves of orange grapefruit diseased, any advice to get it healthy. Also no fruits are yield. Please advise.
Thanks
Jovi
Uploading… Uploading… Uploading… Uploading… Uploading… Uploading… Uploading… Uploading… Uploading…

Please try uploading the pictures again.

Chandra here photo of orange tree… flowered and all the fruits of size small beads and withered . Any suggestions…

Is that really an orange tree? The fruits look like some sort of fig to me…