Dubbing as beginning of "imposition of Hindi", the NDA Government's reported directive to officials to give priority to the language in social media, DMK chief M Karunanidhi on Thursday said Prime Minister Narendra Modi should focus on economic growth and social development.br br "Giving priority to Hindi will be construed as a first step towards attempt at creating differences among non-Hindi speaking people and making them second class citizens," the 90-year old leader, whose party spearheaded the anti-Hindi agitation in the 1960s in the state, said in a statement here.