Here is an engaging description for your video:

"BHEN DAR GAYI! When sibling goals turn into sibling woes! Watch till the end for a hilarious dose of relatable comedy! #Funny #Shorts #Comedy #KoushalMonga"

This description uses a playful tone and emphasizes the humor and relatability of the video, while also highlighting the comedic talent of Koushal Monga. The use of hashtags like #Funny, #Shorts, and #Comedy can also help increase the video's discoverability on YouTube. Let me know if you need any further assistance!