Explanation:

The Jujube tree where Guru Arjan Dev Ji (Fifth Sikh Master) used to supervise the construction of Harmandir Sahib sitting at this place and where two Sikh Warriors Sukha Singh and Mehtab Singh tied their horses, when they came to stop the desecration of Harmandir Sahib at the hands of Massa Ranghar.
This particular Jujubee Tree bears small fruits, stands next to the Darshani Deori. During the brick lining of the Amrit Sarovar (Pool of Nectar) and construction of Harmandir Sahib. Guru Arjan Dev ji and a close devotee of the Guru, Bhai Salo Jee, used to sit here and supervise the construction. In 1740 A.D. Harmandir Sahib was occupied by a Mughal Governor Massa Ranghar, who started desecrating Harmandir Sahib by using it as his court, watching dances and consuming wine. Two Sikh warriors Sukha Singh Marhi Kamboke and Mehtab Singh Miran Kot promised the Sangat (Sikh Devotees) to teach a lesson to Massa Rangar. They reached Harmandir Sahib posing as farmers to pay tax to Mughal Governor. They tied their horses with this jujube tree, went inside, chopped the head of Massa Ranghar and moved back.