One of the most powerful jeeva samadhi's you will find in Tamil nadu is located in downtown Chennai. The name of the saint is Sri Math Easoor Sachithananda swamigal Saba.
Srimath Satchidananda swamigal Annual Guru Pooja festival falls on 17-1-2014.
123 Satchidhanandam street (near Vasanthi theatre)
Below you find a picture of the caretakers of the jeeva samadhi temple, Seeni Elangovan. You can email him for further inquiries on firstname.lastname@example.org