Q: 3d touch feature on iphone 6s is not working.

Hi saachin23,

I see that you are having some issues with your 3D Touch functionality. Use the information in the following article to make sure that 3D Touch is turned on, and adjust the sensitivity if necessary:

Change 3D Touch sensitivity on your iPhone 6s or iPhone 6s Plus - Apple Support

https://support.apple.com/en-us/HT205056

Thanks for using the Apple Support Communities!