Why is 'Thyasaphu' known as a source of history. Explain in brief..

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.

Yeah u should that's the right thing

It gets more wisdom and they know more knowledge