Indian Economy
As per the 2009-10, data the commodity with highest share in total export value was:

Gems and Jewellery.
Engineering goods
Petroleum products
Rice

ANSWER DOWNLOAD EXAMIANS APP

Indian Economy
Devaluation of a currency means

fall in exchange value of a country by market forces
reduction in external value/exchange value of currency by the government
reduction in currency value due to wear and tear
all of the listed here

ANSWER DOWNLOAD EXAMIANS APP