STUDY MATERIALS FOR SCHOOL CHILDREN
https://diksha.gov.in/explorehttp://epathshala.nic.in/
https://nroer.gov.in/welcome
http://oer.nios.ac.in/wiki/index.php/Main_Page
https://www.oercommons.org/oer
https://ndl.iitkgp.ac.in/
https://www.nationallibrary.gov.in/home/children_educational_eresources
SHORT TERM COURSES FOR ALL CLASS 1 TO PH.D.:
https://swayam.gov.in/https://www.eskillindia.org/
BASIC COURSES FREE/ ONLINE CERTIFICATE
https://online-learning.harvard.edu/catalog/freehttps://ocw.mit.edu/courses/mitx-related-courseware/
https://www.coursera.org/courses?query=free
https://www.coursera.org/
https://www.edx.org/
https://www.futurelearn.com/courses
http://www.openculture.com/freeonlinecourses
https://alison.com/certificate-courses
https://www.nationallibrary.gov.in/home/open_educational_resources#gsc.tab=0