. Each caste group tries to become bigger by incorporating within it, neighbouring castes or sub-castes, which were earlier excluded from it. . Various caste groups are required to enter into a coalition with other castes or communities and thus, enter into a dialogue and negotiation. . New kind of caste groups have come up in the political arena like ‘backward’ and ‘forward caste’ groups. Thus, caste plays different kinds of roles in politics.