The Death Sword Escape

Shankar was chained to the base of a pole with 20 sharp swords (weighing nearly 80 kilos) hanging above his head at a height of 20 feet.  Over 40 feet of chain and 25 locks were used to secure him. When the chord holding the swords was set on fire, he had less than 15 seconds to escape before he could be killed. But he did his escape act ......successfully !!