Likewise, we will find that in concentration an undercurrent of thought may be there, which is subconsciously working in a different direction. That is called distraction. Hence, in dharana, or concentration, a wholesale and thoroughgoing fixing of the attention will not be possible at the very outset. That takes place at a later stage. What happens at this point is that we undertake a kind of activity in the mind which, together with its endeavour to allow a continuous flow of thought on a particular point, tries at the same time to eliminate certain other thoughts which are adverse or derogatory to the issue on hand. When we want to think of ‘A’ in concentration, we also feel a necessity to eliminate all thoughts which are concerned with ‘B’, ‘C’ or ‘D’. We do not want ‘B’, ‘C’ or ‘D’ to interfere with the idea of ‘A’, which we are trying to entertain in our mind. Thus in dharana, or concentration, there is a double activity. This is what is known in Sanskrit as vijatiya vr...