Jeeva Samadhi or Adhishtanam or Brindavanam is the tomb of a Hindu Spiritual Guru or a saint. It is believed that the saint's life force still exists in the tomb and prayers are offered to it. Brindavanam is the term used for Vaishanavaite saints and Adishtanam for the rest of them.It is called as Jeeva Samadhi in Tamil Nadu, mainly with reference to Siddhars. There are hundreds of them spread all over India.In case of shaivaite saints, a Shiva linga is placed over the tomb and for vaishanavaite saints, the sacred Tulsi tree is planted.rindavanam is the term used for Vaishanavaite saints and Adishtanam for the rest of them. It is called as Jeeva Samadhi in Tamil Nadu, mainly with reference to Siddhars. There are hundreds of them spread all over India.