https://www.thehindu.com/news/national/tamil-nadu/consanguineous-marriages-prevalent-in-tn-says-survey/article70639865.ece
Consanguineous marriages prevalent in T.N., says survey - The Hindu
A survey reveals Tamil Nadu has the highest rate of consanguineous marriages in India at 28%, highlighting cultural and health implications.
the hinduconsanguineousmarriagessayssurvey