Kathmandu, Dec 19: Chairman of the CPN UML, KP Sharma Oli, has said UML is shouldering a huge responsibility as the country is facing hard times at present. The central committee of the party must carry out its responsibility with utmost devotion, he reminded.Chairman Oli, who has been reelected to the post for the third time, said it while urging the party line in the first meeting of the newly elected central committee through the 11th National Congress.