(a) whether according to CARE rating 2019 one of the key factors of India becoming a net importer of copper is due to closure of a major plant of Sterlite Copper of Vedanta located at Thoothukudi in Tamil Nadu;
(b) if so, the details thereof;
(c) the impact of the closure on industrial and other sectors of economy dependent on that plant and estimated loss of revenue and production material to the country at large; and
(d) Whether Government has made any efforts to restart the plant and if so, the outcome thereof?