Why Should Someone Invest in Tax Free Bonds?

Why should someone invest an alisis vas other tax savings avenues se it depends on the risk profile of a investor. A frankly speaking, tax thereare alike tx free bonds and other instruments available. Wither with the taxation as one of the factor to invest? And if you see some of the elases funds ritten, how they have generated witable other tax hiving funds, i think the answer lies there.