1. Dum Dum Municipality. (http://www.barrackpore.gov.in/HTM/sdobkp_Dum%20Dum%20Municipality.htm).
2. North Dum Dum Municipality. (http://www.barrackpore.gov.in/HTM/sdobkp_North%20Dum%20Dum%20Municipality.htm).
3. South Dum Dum Municipality. (http://www.barrackpore.gov.in/HTM/sdobkp_South%20dum%20dum%20Municipality.htm).
4. Kolkata Municipal Corporation, Kolkata. (https://www.kmcgov.in/KMCPortal/jsp/BasicStatistics.jsp).
5. A review on novel processes of biodiesel production from waste cooking oil;Talebian-Kiakalaieh;Applied Energy,2013