Who is the author of book "Unhappy India"?

The correct answer is Option (2) → Lala Lajpat Rai

“Unhappy India” was written by Lala Lajpat Rai and published in 1928. It was his reply to the American writer Katherine Mayo’s book “Mother India” (1927), which had painted Indian society in a very poor light. Lajpat Rai, known as Punjab Kesari, also wrote “Young India” and “England’s Debt to India”.