How To Make Government Employees Of India More Productive

We all know how Government employees in India behave. They don't want to work at all. Most of the customers get tremendous dissatisfaction. To deal with it the Government employees who directly deals with public their money must be reduced by more than 3000 and we have to set up an measure (like feedback or ratings of customers) on monthly basis so that the reduced money will be given on basis of that measure. (For example if one now gets 12000 salary then in new way his salary will be 9000+k, where k depends on customers ratings). That means one have to earn the reduced money by his work.