The Dravida Munnetra Kazhagam (DMK) has emerged as a leading voice of opposition against the Union government’s proposed delimitation exercise, which seeks to redraw parliamentary constituencies and potentially increase the number of Lok Sabha seats based on population growth. The proposal has triggered sharp political reactions across southern states, including Tamil Nadu.

At present, the Lok Sabha has 543 members, a structure based on the 1971 Census when India’s population stood at around 550 million. With the country’s population now exceeding 1.4 billion, the Centre is reportedly considering a major expansion of parliamentary representation, with proposals suggesting an increase to around 850 seats. The plan also includes raising representation for Union Territories from 20 to 35 seats.

The proposed Delimitation Amendment Bill is expected to be introduced during a special parliamentary session scheduled over the next few days. However, the move has sparked strong resistance from southern states such as Tamil Nadu, Kerala, Andhra Pradesh, and Karnataka, which argue that population-based seat redistribution would disadvantage states that have effectively implemented population control measures.

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Critics of the proposal fear that states with higher population growth, particularly in the northern region, could gain significantly more seats in Parliament, thereby altering the balance of political representation. Under preliminary estimates, Tamil Nadu’s Lok Sabha seats could rise from 39 to around 50, while Uttar Pradesh’s representation may increase from 80 to nearly 143 seats.

Tamil Nadu Chief Minister M.K. Stalin has strongly opposed the plan, warning that it would dilute the state’s representation and undermine India’s federal structure. He has indicated that the DMK would launch a large-scale agitation if the Centre proceeds with the proposal, asserting that the party would adopt a more aggressive political stance if required. In contrast, opposition leader Edappadi K. Palaniswami has downplayed the concerns, stating that the exercise would not adversely impact Tamil Nadu.

The Centre is also reportedly considering introducing the Women’s Reservation Bill alongside the delimitation exercise, aiming to implement 33% reservation for women in the 2029 general elections. Amid rising tensions, Chief Minister Stalin has directed DMK Members of Parliament to participate actively in the upcoming special parliamentary session, signalling an intensifying political confrontation over the issue.

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