Gem and Jewellery Research and Training Institute
"Ruwan Sevana" 73/5 A Walivita Kaduwela
0112579180
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Hector Kobbekaduwa Agrarian Research And Training Institute
114 Wijerama Mw Colombo 07
0112698539, 0112696981, 0112698540, 0112696437, 0117417100, 0117417101
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National Institute of Language Education and Training
321/1 High Level Road Makumbura Pannipitiya
0113092910
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