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Netizens also demand return of Tipu Sultan's ring, Elgin Marbles, Rosetta Stone and Great Star of Africa
A new book about its journey has been launched by the Oxford University Press at the National Library
Co-authors narrate journey of Kohinoor from southern India to England
Indian government is considering both diplomatic as well as legal channels to get back 105-carat stone
Provincial govt tells LHC Kohinoor was handed over to British East India Company by Maharaja Ranjit Singh under a deal