Facebook Blue Verified page means get a blue badge beside to your page name .
See the screen short
Like this you can also get a blue badge besides to your page name . Before we talk about Facebook page Blue verification, let’s see about who can do this verification process. Their are some catagory who can get blu badge .
Their are also some other catagory Like , Sports, actor, media , government official, Plitician catagory.
So first make a facebook account from usa . If you aren't from usa you can use zenmate vpn to change your location .
After this you have to creat a page by selecting those catagorys .
After creating page goto this link
https://www.facebook.com/help/contact/342509036134712
https://www.facebook.com/help/contact/356341591197702
You have to open one of this links . If You can open any links from aboves then submit your document like your passport, TIIN , Cartificate of incoraption
After finishing this process you have to wait at least 1 week. Facebook will send you email or message in support box
That's it . If you can do it properly you can get blue badge in your page