Correct option is C
“As the evolution of dialects and languages is dynamic, influenced by socio- eco-political developments, it is difficult to fix any criterion for languages, whether to distinguish them from dialects, or for inclusion in the Eighth Schedule to the Constitution of India. Thus, both attempts, through the Pahwa Committee (1996) and Sitakant Mohapatra (2003) Committees to evolve such fixed criteria have not borne fruit.