In a move that will bring a cheer to private and public sector employees in the country, the government has decided to double the upper limit of tax-free gratuity payable to an employee to Rs 20 lakh.The Cabinet on Tuesday approved the introduction of the Payment of Gratuity (Amendment) Bill, 2017, in Parliament.It also increased dearness allowance and dearness relief by one percentage point to 5 per cent, benefiting 5 million employees and 6.1 million pensioners.Apart from private sector employees, the amendment to the Gratuity Act, 1972, is also expected to increase the limit of gratuity of employees in public sector undertakings and autonomous government organisations not covered under CCS (Pension) Rules, and bring it at par with central government employees.