How can I identify Original and duplicate Bike Parts?

Sometime I get confused to choose the Original Bike Parts. Because when you go to shop to buy one Bike Part maybe, the seller can cheat you. So we need to know how to choose the Original Bike Parts. Do you know how to choose the Original Bike Parts? Please share your thoughts here.

Hi Santhosh, please check out the following article here you can find the ways to identify original and fake bike parts: https://bit.ly/3aJaBbw