Tap the Facebook app icon, which resembles a white "f" on a dark-blue background. If you're signed into Facebook, the app will open to your News Feed. If you aren't already signed into Facebook, enter your email address and password before proceeding. This can be a comment on one of your own posts or a comment you left on someone else's post.  To go to your own page, tap ☰ in the bottom-right or top-right corner of the screen, then tap your name in the pop-up menu. You can also delete a comment someone else left on one of your posts, but you cannot delete someone else's comments on other people's posts. This will prompt a pop-up menu to appear after a moment. It's in the pop-up menu. Doing so will remove the comment from the post.
फेसबुक ओपन करें: उस कमेंट पर जाएँ जो आपने पोस्ट किया हो: कमेंट पर थोड़ा देर तक प्रेस करें: Delete प्रांप्ट होने पर Delete पर क्लिक करें: