New Delhi, Aug. 12 -- India and Namibia on Tuesday agreed to cooperate in exploration, offtake, processing and downstream beneficiation of lithium, graphite, copper, cobalt and rare earth elements, while strengthening bilateral economic ties in line with New Delhi's strategy of trade diversification and creation of a robust supply-chain for critical minerals. Closer cooperation with Namibia is expected as India and the Southern African Customs Union (SACU) sign terms of reference (ToR) for a preferential trade agreement on Wednesday in the presence of Union commerce and industry minister Piyush Goyal in New Delhi, a commerce ministry's spokesperson said. Botswana, Eswatini, Lesotho, Namibia, and South Africa are the members of SACU. After s...