Lee J, Shih R, Feeney K, Langa KM, Gender disparity in Late-life cognitive functioning in India: Findings from the Longitudinal Aging study in India, 2014, Journals of Gerontology, Series B: Psychological Sciences and Social Sciences, Vol: 69, No: 4, p603-611.

This  prospective cohort study conducted in two south Indian and two north Indian states reports that elderly women in India have lower cognitive function than men, and this disparity is particularly acute in northern India and Education is the important factor that explains the most gender disparity in late-life cognitive functioning.