Hello @souravroy1997, and welcome to Mayo Clinic Connect.
Gosh, I am so sorry to hear you have HCM and now so many other problems, at any age, but especially so young.
Is your cardiologist in India knowledgeable about HCM? It is important that they are because there isn't really a cure for HCM, as in most cases it is likely genetic. It is important, too, that your cardiologist is familiar with this because there are things like medications that can help the symptoms.
Does anyone else in your family have this condition? Are you able to seek a second opinion somewhere else? The Mayo Clinic in Rochester, MN is the world's leading expert in HCM and see patients from all over the world. Would this be a consideration for you?