In order to practice with photo on medium by any mantra technique, then follow the strategy specified beneath. What ever be the strategy, your concentration is important in follow, so it is considered essential for being a practitioner of meditation. इस फोटो को किसी अँधेरी जगह रखे जहाँ पर https://www.youtube.com/watch?v=WG3Cevb_VHM&t=10s