Which one of the following is not among the principal languages of Jammu and Kashmir?

For which one of the following countries Spanish is not an official language?

In which one of the following countries is Tamil a major language?

The major part of Central Asia is dominated by which one of the following language families?

Which one of the following is the largest linguistic group of India?

According to Census of India, 2011, which one among the following is the least populated state in India?