Detailed Solution:
The correct answer is “Maithili Sharan Gupta ”.
Maithili Sharan Gupta was honored with the title of "Rashtra Kavi" (National Poet) due to his significant contributions to the Indian Independence movement through his patriotic literary works.
For his book Bharat-Bharati (1912), widely quoted during India's freedom struggle, he was given the title of Rashtra Kavi by Mahatma Gandhi.