Gurbani orders that while repeating NAM one should meditate upon the Formless Lord. One should not meditate on only painting or photograph even if it is of one of the Guru’s. Gurbani also forbids to meditate upon the form of a living person. In support of the above fundamental principle quotation, from Gurbani, if all the ten Gurus are given below :“O mortal, meditate on NAM only. In this manner you shall go with honour to your home”Page 1254/5“He, who has created the creation and who has fashioned the forms, the Guru-ward , contemplate that Infinite Lord, who has no end and limit.”Page 936/16“Meditate and remain tranced in the Immaculate Lord who is Self-Dependant, being Formless does not eat anything and is Fearless.”Page 1332/14The devotee should not meditate on any thing else except the above mentioned entity because all others are perishable and only NAM is imperishable and ever eternal. In Sidh Gosht (Discussions with Sidhs) the Sidhs put a direct questions to Shri Guru Nanak Dev:“Whom should one deem pervading here and there? On what one should meditate so that mind may merge in mind itself?In answer to this question Shri Guru Nanak Dev Says:“One should deem the one Lord pervading here and there (with in and without). O’ Nanak by obeying True Guru’s will the fire (of desire) is quenched.”Page 943/6When the fire of desire is quenched the mind merges in to the ever eternal Go. In Jap-jee Sahib Shri Guru Nanak Dev says that those who have experienced the stages mentioned in the four stanzas of ‘heaving NAM’ and four stanzas of ‘obeying NAM’ they become the chosen and about them Guru Nanak Says “the chosen centre their attention on one God alone.”Page 3There are only a few couplets of Shri Guru Angad Dev in Gurbani. He says:“They, who meditate on NAM, they depart (from this world) after putting in toil.O’ Nanak t...