USEFUL WEBSITES
GENERAL REFERENCE
https://en.oxforddictionaries.com
https://dictionary.cambridge.org/
http://thesaurus.reference.com/
http://www.merriam-webster.com/
https://ndl.iitkgp.ac.in/
MATHEMATICS
VIDEO LECTURES FOR CLASS 11th AND 12th
https://www.swayamprabha.gov.in/
SCIENCE
http://www.organic-chemistry.org/
http://www.scienceprofonline.org/
https://gaming-35085.web.app/
SOCIAL SCIENCE
https://india.mrdonn.org/history.html
OPEN ACCESS RESOURCES
http://www.freebookspot.es/default.aspx
http://www.freebookcentre.net/