Sikh philosophy overlaps with Hindu philosophy on many points, one being the concept of transmigration of the soul and the circle of Chaurasi Lakh, the 8.4 million lifetimes. Chaurasi Lakh means 8,400,000. This is the number of different joons (lifetimes or possible lifeforms) that constitute the circle of transmigration. Why 8,400,000, surely scientists have categorised and classified species which vastly differs from this number? (The question is unimportant 'the number' just is 'the number' and many times in both Hindu and Sikh texts is has been written so.