I Am 41 Years Old Male From India. Weight 79kg,

I am 41 years old male from India. Weight 79kg, height 179 cms. BP is in the rage of (140-130)/(94-85) with Amodep Ap tablet once a day. I regularly walk for 3-4 kms (20-30 Mins) daily.From last couple of weeks, I am having momentarily pain (very Low) in different part of chest or abdomen area. The pain is not limited to any particular region. 2-3 times it will pain in some region and then next day it will be some other region. Mostly, it is in the upper left chest or below the right rib region.Physical Stress or rest doesn't effects the pain occurrence. It's just comes and goes.Please help.