Goa Chief Minister Manohar Parrikar on Monday asked the people to be responsible with the use of plastic."Now that the new market has been inaugurated, I want to underline that it is our responsibility to keep it clean.We should stop throwing plastic bags everywhere," Parrikar said in a video, a day after a new fish market was opened in south Goa's Margao area.The Chief Minister, who has returned from a three-month stint in the US where he was undergoing advanced treatment for pancreatic cancer, has been using videos to communicate with the people of the state.