The first population census was taken in India in the year?

Who among the following is associated with "White Revolution" ?

‘Kesari’, the Newspaper was started by

Mention the main theme of the novel ‘Sundarikalum Sundaranmarum’:

The first English journal started by Hickey in India was:

In which Battle the Cochin Rajah defeated and drove out the Portuguese from theWestern Waters of India?