Translate ap.pot in language folder to Hindi using poedit. and then save as ap-hi_IN.po

Use comment_number function: https://codex.wordpress.org/Function_Reference/comments_number

Add these to your theme functions.php (or child theme). https://gist.github.com/rahularyan/c7556c0418bbf9a77493

Get the 1.3 version and enter license key and then click activate to get automatic theme updates.

Do not create new page for home page as there already home.php exist in theme. You just need to update AnsPress to github version to fix home page pagination.

Go to AnsPress option and enable base page slug before question: