"The world Tuberculosis day' is observed on .............. every year

Which one of the countries is the top most cardamom producing countries in the world

In the year 2017, ........... Postal A.T.Ms are functioning in Tamil Nadu.

Escondida is a famous mine for one of the following metals 

How many Postal Offices are functioning in Tamil Nadu

Library of congress is the largest library in the world located in