Hello Sakshi
You mentioned correctly. Although i tested the "tracking forum" that seems to be a mandatory option for email notifications, i m not sure that this worked.
Searching in moodle forums i discovered a similar situation, so i m following the solution described at: https://moodle.org/mod/forum/discuss.php?d=73279
As Brendan Blowers says in his post "
Solution:
It may be that the "cron" job is not executing properly. You have to set it up to execute various times per hour. This is especially important if you migrated or copied the moodle installation from another folder/website!:"
You might take a look at this. Right now i made a programmar for cron job to run every 5 hours and i receive some emails from forums but not all of them.
I suspect that if i make the programmar more often may be i could get better results.
I m trying this now !
Thanks for your reply...