The correct options are
B In the year 2011-12, India had the most unfavourable trade.
C In the year 2011-12, India did most exports.
The difference between the value of a country's imports and exports for a given period of time is known as Balance of Trade. Brazil had a positive trade balance of 25,347.4in2009−10,anditincreasedto29,795.3 in 2011-12. India had the most negative trade in the year 2011-12 of $184,557.77. Brazil had increasing trade till 2011-12 then it dipped a bit.