India, Dec. 4 -- The Government of India has issued a release:
India has signed one new contract with the International Seabed Authority (ISA) on 15th September, 2025 for exploration of polymetallic sulphides (PMS) in the Carlsberg Ridge area of the Indian Ocean. Besides, India has two ongoing exploration contracts with the ISA, one for polymetallic nodules (PMN) at the Central Indian Ocean Basin and another for polymetallic sulphides at Central and South West Indian Ridge in Indian Ocean, which were signed in 2002 and 2016, respectively.
Polymetallic nodules present in the seafloor contain metals like nickel, copper, cobalt and manganese. Polymetallic sulphides contain precious metals like copper, zinc, lead, iron, silver, gold and plati...