Hello aspirant,
Hope you and your family is safe during this pandemic situation.
Coming to the query, you are saying that you are fail in physics. First of all you had to clear the physics subject to choose any course like mechanical as you want with out clear the subject you cannot enter into the mechanical stream. You are choosing mechanical as your stream in this also physics is involved. So, you have to work more and concentrate about that.
Hope this information is helpful to you.
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