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

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

Which one of the following is the biggest cause of incidence of migration of female persons in India?

Which of the following statements is true?

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

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