For the amount of traffic @Flipkart might be receiving at this point of time, they are holding up extremely well.

If you state a problem with only, “There is an issue”, that is a moron alert for me.

Planks of the push up style seem to be more effective than the normal one.

Great videos for improving your badminton - https://www.youtube.com/channel/UCprsl6i5xHgeSviUJlxhkaw