Fellow These Step To Add New Post With Categories.. Instructions ::
[1] Go To Blogger Login Page
[2] Put Email Id Or Password And Click On Login
[3] After Login You Go To Blogger Dashbord
[4] Now You See New Post Option On Your Mobile Or Pc Screen
[5] Just Click---> On New Post.
[6] After Click You Go Post Wrtting
[7] Frist Box you Are write Down Your Tittle Name Of Post
[8] After Writen Title You Down Your Mobile Or Pc Mouse Down.You See Second Box There You Write Your Post Content
[9] After Wrting Your Post Scrol Down Your Mouse..
[10] You See One LABLES option Now Click On LABLES .You Got A Blank Box .there You Put Your folder Or Categories Name.After Write Name Click On Done.
[11] Now Up Your Mouse And Click On Publish You Post.. Now Your Blog Reader your Post in This In A Folder Or Categories.