Tk laser physiotherapy it will work and calf stretching exercise. Avoid long standing and long walk.

There is a definite need of proper assessment plantar fascitis usually responds very slowly and shin splints too you havent disclosed about your body weight and amount of time spent with shoes on. Try allowing your foot to breathe a little and do icing at heels, if you have started to walk recently try to be reasonable with your self donot over stress...

Have u got ur x ray done.You need to ascertain the cause. Then only long lasting relief can be achieved. Have u tried changing your footwear.?