Census of India 1951 :  Salam district village wise mother tongue data for border Taluks / 

 -  Census of India,  1955. 
<br/><br/> Chingleput district -village wise mother tongue data for border Taluks <br/>Nellore district  -village wise mother tongue data for border Taluks <br/>Chittoor district -village wise mother tongue data for border Taluks <br/>Malabar and Coimbatore district - village wise mother tongue data for border Taluks <br/><br/> 
<br/><br/>Chingleput district -village wise mother tongue data for border Taluks <br/>Nellore district  -village wise mother tongue data for border Taluks <br/>Chittoor district -village wise mother tongue data for border Taluks <br/>Malabar and Coimbatore district - village wise mother tongue data for border Taluks <br/><br/>