Having chest pressure and breathing issues did all test ct scan, sonography, spirometry, blood test 1 month back all normal, i am 27 and active person, because of this i cant concentrate and i can't do my workouts anymo , having increase pulse rate?

There are 3 reasons which can cause symptoms like you have. First , a low(below 10) hemoglobin , secondly disease of the heart such as congestive heart failure(due to various causes) and lastly diseased lungs. It seems all these possibilities have been excluded after full testing. Under the circumstances, anxiety due to stress of one kind or another has to be ruled out. A Psychologist may be helpf

My hunch is that you have a problem with cardiac anxiety and need to learn as much as you an about it as it can be disabling. I recommend you invest $20 and read all about what it is, how to diagnose and treat it at uptodate.com and then discuss with your Drs. I would think you have had enough tests and need to work on this.