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Addition of suitable impurities into semiconductor, is called
Who among the following dedicated the Chennai - Nashri Tunnel - the longest road tunnel in India - to the nation in April 2017?
Which is the highest quality of hard coal?
Which among the planets is orange in colour with white bands on it?
Which of the following is the most abundant metal on Earth's crust?
What is the name of the balloon – borne instrument set to be launch by NASA to study heavy cosmic particles?
During whose Viceroyalty, the capital of India was shifted from Calcutta to Delhi?