To reap the optimum Rewards, we must chant which has a favourable frame of mind, visualizing the really like and harvesting many of the optimistic energy. आज भी इसकी प्राप्ति संभव है ॐ ह्रीं श्रीं गोम गोरक्ष, निरंजनात्मने हम फट स्वाहाः Even so, there is yet another sort of mantras https://www.youtube.com/watch?v=qGCHTa9HGyw