3 समीक्षाKeltron Chambers, 04th Floor, Arya Samaj Rd, Karol Bagh, New Delhi, Delhi+91 11 4501 2550www.igi.orgएक संपादन का सुझाव दें इंटरनेशनल जेमोलॉजिकल इंस्टीट्यूट नई दिल्ली
Worst behaviour they marked pcs to change i chaged diamonds then they were saying diamond is same i showed my factory recoding even but they doing monopoly things