Hey there Rajeev Kumar Mandal! When it comes to numerical simulation software for polishing and finishing processes, one tool that comes to mind is COMSOL Multiphysics. It's a versatile platform that allows for the simulation of various physical phenomena, and its customization options make it suitable for engineering applications like polishing and finishing.

COMSOL Multiphysics enables you Rajeev Kumar Mandal to model and simulate a wide range of processes, taking into account factors such as material properties, surface interactions, and tool geometries. It's a robust solution for exploring the intricacies of polishing and finishing flat materials through numerical simulations.

Give it a shot, and feel free to dive into the specific details of your process. COMSOL should provide you Rajeev Kumar Mandal with a solid foundation for your numerical simulations. Let me know if you Rajeev Kumar Mandal need more suggestions or details!

Thank you so much Kaushik Shandilya sir, I will try for the same. Can i get your email id sir?