The essay aims at highlighting the interconnections amongst South Asian
constitutional systems, be aware of the heterogeneity of constitutional values that seem the result of the layering dynamics between autochthonous and colonial features. To this end, the analysis provides a definition of ‘constitutionalism’ relatively consistent with the historical models of the Western legal tradition. The critical development of the contribution then focuses on the classification of South Asian constitutional phenomena, in order to verify whether constitutionalism as a theoretical category—is able to encompass the forms and the structures of South Asian legal systems.