A Samit is an organization of panchayat. a) Black b) White c) brown

A. Black

Explanation:

Panchayat is a rural area in India that obtain the right to self-rule as long as their actions do not violate the central government's interest to improve economic development, strengthening social justice, and implementation of central law within their territory.

Black Samit is one of the organization that help elect representative within the panchayat body. They can influence the type of regulations that can be passed within the panchayat.

well considering i can't see the graph, it's probably prices

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.