(a) (i) problem of acceptable revenue allocation formula
(ii) over-concentration of powers at the Centre
(iii) ethnicity and tribalism
(iv) fear of the majority domination
(v) threat to national unity/ integration
(b) (I) division of powers between the Centre and component units
(ii) existence of a written and rigid constitution
(iii) supremacy of the constitution
(iv) existence of a bicameral centralized police force
(v) existence of a supreme court