Jyotsna –a Sanskrit Commentary on Hathapradipika written by Yogi Sri Brahmananda- is a practical book on yoga practices as it not only provides the details of the practical procedures but also clarifies the practical instructions of Svatmarama given in Hathapradipika. This commentary provides the experiences of earlier yogis, as well as, the alternative procedures for practice which are more useful and safe as they are simple and not having any adverse effect on health. This edition of Jyotsna commentary is based on 11 manuscripts and 2 published texts.