About 55 lakh beedi workers will soon get medical insurance benefits under the Rashtriya Swasthya Bima Yojana (RSBY) by 2013-14 under a proposal approved by the Union Cabinet on Thursday.A meeting of the Cabinet, chaired by Prime Minister Manmohan Singh, decided to extend the insurance cover to the beedi workers spread across the country, with the government spending an estimated Rs 311.25 crore on it.