Yantra
Shastra : A geometrical design or some text writing is inscribed on
some metal ( generally copper ) or Bhoj patra ( bark of the tree Betula
Utillis found mostly in the forest and Himalayan region ). It has to be
written with the pen made of the branches of the particular tree only.
The ink has to be made by crushing particular leave and or some roots of
plants or and trees. Again the parameters for making Yantra is tough
not difficult and in today's day for common people its tough to do.
After making Yantra, its puja is done to minimize the negative effect.
Ratna
Shasta : A gems is in form of ring or locket is given to worn. The gem
of the particular planet catches the vibrations of that planet and
impart them to our body. This in turn minimize the negative effect of
the malefic planet. There are system prescribed for ring wearing
according to shastra. Its easy and can be done by common people.
Duplicate ratna or look alike ratna will not give result, on the
contrary it will give negative result as the vibrations of the
particular planet coming thru the real ratna ( gems stone ) is due to
its refractive index of that stone.
Totka :
This kind of remedies are in lakhs and vary from region to region. This
is a easy practice that can be performed by common people. The
effectiveness of its depended on the person’s faith and believe on it.
As there are lakhs of totka so you can't say which one is real and which
is fake.
As these all are not imparted by well know people and neither
there are big granths specially devoted to this knowledge. Today fake
remedies seller design such totka according to the person and make the
quite attractive and catchy to make money out of it Because you have no
tool to judge its authencity.
Now for a remedy seeker it all depends on his decision which he finds to be easy and can be done with full devotion.