Puberphonia Courses in Siva ENT hospital

Kindly give a write up of Puberphonia training course for
1, one day
2, one week
3. one month
And a six month course aa we siva ENT hospital, chennai, India are having treated more than 1650 cases of puberphonia, we have an App "kumaresan puberphonia" free download in Google play store, our own "kumaresan puberphonia pitch index", puberphonia diagnosis by AI and remote follow up by VR.