Bhagwan says at the end moment a yogi should put all his or her energy in the ajna chakra and meditate on the Brahma.He gave a scientific elaboration of the process in this shlok.

Shri Krishna says to Arjun, to always remember Him and also face the war.Ultimately you will find me in liberation. Do not be a coward and fight with detatchment.

Shri Krishna says at the last hour when death approaches if a devotee is constantly thinking about God then the soul can reach the God but due to past karmas and desires it is very difficult to think ab out God when death approaches.

The person who thinks of God at the time of death can attain the brahma or attain God himself. But it is quite difficult to do as man is always in fear of death and at the last time he is restless.

There is a detailed description of Adhibhut, Adhidev and Adhiyagyan in this episode. Krishna says all these three elements are Him only.

What happens after death?Thoughts are very powerful. At the last stage of life whatever a man thinks of before death, the soul carries the thought to next birth. Thus, O Arjun think of Krishna and do battle in the battle field.

Krishna says one who try to liberate from death and old age, they can understand the param brahma. They realise this one and only truth .They release themselves from senses.

Krishna says, O Arjun, in thnis earth, people think in a limited way. They get delusion by sticking to pleasure and pain and not beyond that.