India, Feb. 27 -- The Karnataka Food Safety Department has discovered that 52 hotels across the state were using polythene sheets to prepare idlis, Karnataka Health Minister Dinesh Gundu Rao said on Thursday.

According to Rao, the use of polythene, especially thin sheets, poses serious health risks as it is carcinogenic. The state government has vowed to take strict action against such practices in the hotel industry, new agency PTI reported.

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"Food Safety Department officials collected idli samples from 251 locations across Karnataka. Earlier, clothes were traditionally used for steaming idlis, but we receiv...