Real meaning of sin muthra
In General If you ask the people, how to do thavam(meditate) they simply tell just form sin muthra in your hand.
and be focus in sin muthra .this is called thavam.
this is not a correct answer.the right answer is there is a organ in our human body which exactly matches with sin muthra.
lets try to find out?.form sinmuthra in your hand.and place it to the near of your eye..it exactly matches.
its exactly our eyes..focus on sin mutra means ,just focus soul light(that is initiated by gnana sadguru)which is in our eyes.we don"t have to do any thing.just focus (ninai) in sinmuthra( eye pupil)...