In India government jobs are in great demand because in addition to monthly salary, pension, they also can demand and get a lot of additional money as bribes without a major risk of being punished. Unlike China, where the communist party has become strict in taking action against government employees who are making money using illegal methods, the indian government is usually blind to the rampant corruption of government employees who exploit harmless indian citizens at every opportunity demanding and getting bribes.
As the vigilance department may check the bank details of the government employees, they are usually taking the bribe in the form of cash or kind as it does not leave any money trail, which can be detected at a later date
The cash extorted is then used to lead a very lavish lifestyle and converted into gold and similar assets which cannot be easily traced.