I doing pid tunning my my drone with using pichawk orange cube drone with stable in yaw and roll moment when I am giving pitch forward and backward drone getting more inconsistent can anyone help me for tuning my drone
Yes, we can help you.
Read and follow How to methodically tune (almost) any multicopter using ArduCopter 4.4.x
The bigger the vehicle the more you need to follow every step of that Blog post.
Your vehicle is very big, so you need to follow it extra carefully.
https://discuss.ardupilot.org/uploads/short-url/nv3HjLOPlOb66fc3ethXruci2TX.zip is an example of another vehicle