—— Since ——
FOR ONLINE CLASS-
https://banglarshiksha.gov.in/Frontend/online_classroom_beng?active=&class_name=
FOR TEACHERS TRAINING
https://banglarshiksha.gov.in/Frontend/training_modules
ALL E TEXTBOOK CAN BE DOWNLOADED FROM BELOW LINK
https://banglarshiksha.gov.in/Frontend/e_textbook