CENSUS OF India 1991 . Series 12 Kerala . District Cenus handbook. Trivandurm / 

 -  Director of Census operations,Kerala ,  1994. 
<br/><br/> Village and Town directory.Vilage ,panchayat and Townwise primary census abstract. Part XII A & B 
<br/><br/><label>Subjects--Index Terms: </label>Sociology,census