Under this, all types of single-use plastic carry bags, if their thickness is not in accordance with the prescribed criteria, cannot be used, said the collector. JAIPUR: District collector Jagroop Singh Yadav on Friday gave directions to the office-bearers of various government offices to refrain from using polythene bags or single-use plastics at their office premises and institutions.The officials have been asked to encourge use of compostable plastics, natural fabrics and recycled paper instead of plastics..