The cultural memory of Ramayana narrative is abiding and intense in many parts of the globe.
śrāddham -- homage to pitṛs, ancestors -- is performed by pilgrims at Dhanushkodi. They draw a dhanush (bow) on the sands, offer samkalpam, create a śivalinga from the wet sands, perform puja and immerse the linga in the sacred waters of Setusamudram.
śankha is a shell unique to Indian Ocean rim and is sacred in Hindu traditions. Sacred śankha lives on the Ramasetu. śankha can live only on hard surfaces like boulder conglomerates and not on shifting sands. The boreholes drillings by NIOT revealed boulder conglomerates as one layer, conclusively proving that boulders obtained from land were used for the construction of the Setubandha causeway linking Dhanushkodi and Talaimannar.
This is a world heritage monument and a celebration of protection of dharma by rescuing Sita devi. Valmiki calls Sri Rama vigrahavān dharmah'embodiment of dharma'.
Valmiki ramayana, Sarga 21, Yuddhakandam describes Rama's victory over the ocean; he releases the arrow which makes a volcano erupt. This episode is rendered as a painting by Ravi Varma.
DERIVED FROM BOREHOLE DATA OF NIOT (SECTION NOT TO SCALE)
Mannar on Sri Lankan side
RAMAYANA – A MYTHOLOGY OR HISTORY ?