Rameswaram, Police seized the Ganja valued at around Rs 75 lakh from a dry river bed near Veepankulami village in Ramanathapuram district.
The convicts were carrying the ganja to be smuggled it to Srilanka.
Acting on a tip off, police rushed to the spot in the village and found 158 kg of ganja packed in 170 bags buried in the river bed.
Police said, investigation are on in this regard.
Drug trafficking is a global illicit trade involving the cultivation, manufacture, distribution and sale of substances which are subject to drug prohibition laws.
