The process of fixing or redrawing the boundaries of territorial constituencies for elections based on population data

Latin delimitare — to mark boundaries (de- + limes, boundary)

Redistricting Boundary demarcation Reapportionment
Consolidation Merger
"The delimitation exercise using 2011 Census data could expand Lok Sabha seats from 543 to approximately 816, intensifying the North-South political fault line."

Essential in GS2 answers on electoral reforms, federal tensions, and Centre-State relations. Link to Articles 82, 170, and the 42nd/84th Amendments.

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