All Posts page not listing items under submenu

[shekhuverma]

My content folder looks like this

|   about.md
|
\---posts
    |   _index.md
    |
    +---articles
    |   |   _index.md
    |   |
    |   +---Why_I_Started_This_Blog
    |   |       index.md
    |   |
    |   \---_6_hats
    |           index.md
    |           six-thinking-hats.png
    |
    +---Guides
    |   |   _index.md
    |   |
    |   +---increasing_python_speed
    |   |       index.md
    |   |       python.jpg
    |   |
    |   \---MIPI_DSI
    |           image1.png
    |           image2.png
    |           image3.png
    |           index.md
    |           raster_scan.gif
    |           video_command_mode.png
    |
    \---Projects
            _index.md

And my nav bar looks like this

Everything is working fine, all the submenus are listing the files but when i click on "post" (to see everything contained in the post folder) it is not listing anything

Please Help me with this issue