The ongoing debate in India's Parliament over delimitation and the Women’s Reservation Bill has reignited concerns about the North-South political balance. Delimitation, which involves redrawing parliamentary constituencies based on population changes, aims to uphold the principle of equal representation. Historical data shows that between 1951 and the late 1970s, both northern and southern states experienced a decline in Lok Sabha representation, but the decline was sharper in the Hindi-speaking states, which saw a 3.1 percentage point drop compared to a 1.2 percentage point drop in southern states.

The 1976 freeze on seat allocations, based on the 1971 Census, has further exacerbated representation imbalances, as northern states have continued to grow while southern states have implemented successful population control measures. This has led to northern MPs representing more constituents per seat than their southern counterparts.

Looking ahead, the proposed delimitation could increase the number of Lok Sabha seats from 543 to 850, raising concerns among southern leaders that their political power will diminish despite their success in population control. The Centre has countered this narrative, suggesting a proportional increase in seats across all states, but opposition parties warn that this could still widen the representation gap, favoring northern states. The outcome of this delimitation process remains to be seen.