Siva Kavacham is powerful mantra hymn . When heard this hymn it gives strength to the human body and all our diseases are precipitated like vapour. Our body will become like vajra . All big diseases can be cured with this hymn for example like cancer. Lord Shiva is a God who destroys evil in this Universe, same way our bad feelings , evil thoughts will die out from our mind and we will be inclined towards vedanta and self realisation and we can see this world as it is.