Q: unable to control volume after update ios 8.3

Hello, Sivaraj K.  

Thank you for visiting Apple Support Communities.  

I understand that you can not control the volume on your iPad.  I would need more information regarding this behavior to provide a better answer.  However, I would recommend going through the troubleshooting steps in the article below.  

If you hear no sound or distorted sound from your iPhone, iPad, or iPod touch speaker

-Jason H.