​Which commission advised against the creation of linguistic states at the time for it might threaten national unity and also be administratively inconvenient?

Correct option is C

Dhar commission : Also known as the Linguistic Provinces Commission, was a committee established in June 1948 to examine the feasibility of reorganizing Indian states on a linguistic basis. Chaired by S.K. Dhar. The commission ultimately recommended against reorganizing states solely on a linguistic basis, citing concerns about national integration and potential for administrative complications. They suggested that reorganization should consider factors like demographic contiguity, ease of management, and financial efficiency.

Kothari Commission ,officially the National Education Commission (1964-1966), was a crucial body tasked with examining and reforming the Indian education system. Chaired by Professor D.S. Kothari, then chairman of the University Grants Commission, its mandate was to develop a national pattern of education and recommend policies for its advancement. The commission's recommendations laid the foundation for India's first National Policy on Education (NPE) in 1968.

Dasgupta Commission -Under the Commissions of Inquiry Act 1952, a Monopolies Inquiry Commission was established in 1964. This commission was headed by Justice K.C. Dasgupta and so also known as Dasgupta Commission. The major term of reference to this commission was to enquire into the extent and effect of concentration of power in private hands and prevalence of monopolistic activities and also to suggest necessary legislations in light of such inquiry.