.....Mantra

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   3
   Get up in brahma-muhurta. This period starts before sunrise. This is time of predominant sattva (goodness) which is roughly from 3am to 6 am. This helps to go even further and touch with transcendental world full of bliss, knowledge and eternity, which, is still not formless.
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   4
   Set God (Krishna) as your object of meditation. Our eternal position is a servant of God. Thus meditation 24 hours a day is best. If person meets death in meditation he has more chances to get out of circle of birth and death. Still, even if one is doing meditation nonstop, but knots within his heart are still not eliminated, he is probable to fall down and get low birth like animal in next life. Thus one must be very sincere and serious. God is your best friend and well-wisher.