Hi ilavenil,
I remember Mahendragiri is near kanyakumari.
Iyaru - Thiruvaiyarau - 5 rivers. Swami Iyarappar. Sri Thiyagraja swami also was also there.
So ilavenil, i beleive you must have finished "Shiva puranam" of Thiru Maanikavasagar, so shall i request you to share with us, what have you learnt. We will discuss, "Karkka Kasadara" and it will be useful for other members also.
anbudan,
Yudhajit