Defends us from all evil effects, negative energy, gives us luck , wealth and prosperity. It includes the strength of mind augments self confidence and helps in attaining fame , joy and good health .
It is the most sacred shankh which represents the blessing of deity ganpati . After the incarnation of Ganesha God Shiva game him the words stating that every new work will be started with worship of ganesh . Since then it became mandatory to worship Ganesha before any good work.