Lathe CNC Retrofit for Durability

I’m in the middle of bringing an aging CNC turning lathe back to life and the first step is a full replacement of its control system. The current electronics are unreliable and limit both repeatability... (Budget: ₹1000000 - ₹2500000 INR, Jobs: Automation, CAD/CAM, CNC, CNC Machine Retrofitting, Electrical Engineering, Mechanical Engineering, Mechatronics, PLC, Robotics, Solidworks)