The correct answer is (c), Lokratn Pant ‘Gumani’.
Lokratn Pant ‘Gumani’ was a poet, writer, and social reformer from Uttarakhand. He is considered to be the first poet of Khadi Boli, the local language of Uttarakhand. He wrote extensively on the social and cultural life of the people of Uttarakhand. His work is characterized by its use of simple language and its focus on the everyday lives of the people.
Sumitra Nandan Pant was a poet and writer from Uttarakhand. He is considered to be one of the most important figures in the development of modern Hindi literature. His work is characterized by its use of symbolism and its exploration of the human condition.
Pitamber Datt Barathwal was a poet and writer from Uttarakhand. He is considered to be one of the pioneers of modern Hindi literature. His work is characterized by its use of realism and its focus on the social and political issues of the time.
Chandra Kunwar Bartwal was a poet and writer from Uttarakhand. He is considered to be one of the most important figures in the development of modern Garhwali literature. His work is characterized by its use of folk traditions and its focus on the culture and history of Garhwal.