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Morphometric analysis and sub-watershed prioritising were carried out to ascertain the Ajay river basin's susceptibility to flooding. The whole Ajay river basin was divided into seven smaller watersheds, and a ranking algorithm was used to the morphometric features of these smaller watersheds to determine their prioritization rank. 13 distinct morphometric criteria of linear, relief and areal characters have been found and used to rank and priorities sub-watersheds, for critical analysis. Some morphometric parameters have a direct correlation with flood occurrence, whilst others have an indirect association with flood occurrence. According to their relative significance and impact on the floods, all parameters have been given weighted ratings. The basin with the lowest parameter value is placed first in the ranking. According to the results of the study, sub-watershed 7, which is located in the lower catchment of the Ajay river basin, is very vulnerable to floods. The findings of this research may be utilized as advice by competent authorities in the early stages of flood mitigation efforts, if necessary.