Mahārāja Parīkṣit's inquiries are on the basis of proportionate actions of goodness which qualify one in this planet to be promoted to the highest regions of the universe.
Even on this planet of our present residence, one cannot achieve a good position within the social order without being qualified with proportionate good work. One cannot forcibly sit on the chair of a high-court judge without being qualified for the post. Similarly, one cannot enter into the higher planetary systems without being qualified by good works in this life. Persons addicted to the habits of passion and ignorance have no chance of entering the higher planetary systems simply by an electronic mechanism.
According to the statement of the Bhagavad-gītā (BG 9.25), persons trying to qualify themselves for promotion to the higher, heavenly planets can go there; similarly, persons trying for the Pitṛlokas can go there; similarly, persons trying to improve the conditions on this earth can also do that, and persons who are engaged in going back home, back to Godhead, can achieve that result. The various actions and reactions of work in the mode of goodness are generally known as pious work with devotional service, culture of knowledge with devotional service, mystic powers with devotional service and (at last) devotional service unmixed with any other varieties of goodness. This unmixed devotional service is transcendental and is called parā bhakti. It alone can promote a person to the transcendental kingdom of God. Such a transcendental kingdom is not a myth, but is as factual as the moon. One must have transcendental qualities to understand the kingdom of God and God Himself.