Curl or Wilt Leaf

Hello Everyone,
Advice wanted on what may be the reason of the disease and recomendation solution to control the situation.

We have replanted capsicum on 31st march and as on today plant completed age of 90 day but not receiving  any yeild till today.  Present situation is leaf is curling upward and fruit is becoming yellow in early stage and some dark spots are spotted on the fruit and its not growing as per the pics presented. so please suggest advice for controlling the disease.<img src="/uploads/default/original/2X/2/219af8142ba08446e57e241f22a623600546ba79.jpg" width="375" height="500"><img src="/uploads/default/original/2X/6/63f53bee6f5e694ba18cbd1e17fe5481fb63c2ae.jpg" width="666" height="500"><img src="/uploads/default/original/2X/e/e7a019fc0c6d852167848be3e738b88751454b68.jpg" width="375" height="500"><img src="/uploads/default/original/2X/7/7b23f2235fb8e7bae066ab9ac9a224e78fbca61a.jpg" width="375" height="500"><img src="/uploads/default/original/2X/c/ce7aa57ba737f006b1480a97c118f63a80235fba.jpg" width="375" height="500">