How to file er

Sir,

Plz clarify the Finished and Principal Input product-wise.

Dear Sir

WE doing outsourcing of Auto parts .we purchase finish auto parts from vendor (from jullundhar) and just doing here labeling and packing of that product in our brand .like we purchasing flywheel assembly 1 qty we doing labeling and packing to make it in our brand so there is no change in this prduct and not creating other finish good from it. please help

Regards,

Amit Singh