How to Improve Concentration?

Everybody advice to concentrate, but how to concentrate? The mind possesses two distinct functions the objective and subjective mind, the conscious and subconscious mind. Here, you would perhaps have observed two distinct entities not quite related; one is the physical existence, and the other is your thoughts. You may be consciously engaged in doing a thing but unconsciously thinking something else. Only you can witness, watch and observe your thinking.

We all know that if we are...