The Human Resource Development Minister Kapil Sibbal has called for reducing the gap between the spoken and written words in Hindi. Mr. Sibbal said, it is not difficult to do official work in Hindi and it is our responsibility to propagate it. He said that Hindi language is being taught in 135 universities of 93 countries. The Minister said that there is growing demand for including Hindi as an official language of United Nation. Mr Sibbal was speaking after inaugurating the golden Jubilee celebrations of the Central Hindi Directorate in New Delhi today.