The correct answer is (b) Vishnushastri Chiplunkar.
Vishnushastri Chiplunkar was a Marathi nationalist writer, social reformer, and educationist. He is considered to be one of the pioneers of the modern Marathi language and literature. He is also known for his contributions to the Indian independence movement.
Laxminath Bejbarua was an Assamese writer, poet, and journalist. He is considered to be one of the pioneers of modern Assamese literature. He is also known for his contributions to the Assamese language and culture.
Subramania Bharati was a Tamil poet, writer, journalist, and freedom fighter. He is considered to be one of the greatest Tamil literary figures of all time. He is also known for his contributions to the Indian independence movement.
Bhartendu Harishchandra was a Hindi writer, poet, and playwright. He is considered to be one of the pioneers of modern Hindi literature. He is also known for his contributions to the Hindi language and culture.
Laxminath Bejbarua, Subramania Bharati, and Bhartendu Harishchandra were all great writers and poets who made significant contributions to their respective languages and cultures. However, Vishnushastri Chiplunkar was the only one who was also a nationalist writer. He was a pioneer of modern Marathi literature and is considered to be one of the most important figures in the Indian independence movement.