Suggestions required - what is d problem

For last 8 yrs gas ,belching problem ‌first time in year 2007 (at age 20)  measured bp its high 145/98 ‌undergone endocsopy,colonoscopy,utrasound,echo, all NAD ‌in year 2015, first time faced breathing difficulty followed by belching and palpitation,whenever i board metro ,or travel alone in crowded places.visited dr gour das and he sujested that suffring from anxiety and need to  change lifestyle and advices medicine( propranolol 40 and clonzapam(.25) for 3 months) ‌in yr 2017 july i was in moviee suddenly feel sick as palpitation ,vomiting and shaking and left out of hall ‌since then whenever driving car,feel sick,always like company of responsibile ppl around and feel like i am having heart issues ‌sometimes in sleep i woke up as throat is choking,need water ‌always unhappy as though no fun in life ‌often have sleeplessness ,able ‌wanted to study but due to symptoms cant concentrate. ‌life is becoming difficult as not able to do day to day work which once i was doing cheerfully.