Assam Chief Minister Himanta Biswa Sarma Friday said that the state police will follow the case against senior Congress leader Pawan Khera for allegedly using "uncivilised language" against Prime Minister Narendra Modi to its "logical end".The chief minister who also holds the home portfolio, however, did not elaborate on the next course of action by the Assam police to bring the case to a logical end. ''We hope that keeping sanctity of public spaces, no one will use uncivilised language in political discourse hereafter. @assampolice will follow the matter to its logical end'', the Chief Minister tweeted.