not enough. Clarify if medical insurance is intended as private insurance or public assistance system.
end of service gratuity shall be minimum 3 weeks of your last salary per year of employment, but this is the minimum. 21 days off is still the minimum. living costs are raising also.
http://www.numbeo.com/cost-of-living/country_result.jsp?country=Qatar
http://www.expatarrivals.com/qatar/cost-of-living-in-qatar
http://www.expatistan.com/cost-of-living/doha