I am also in same boat. I have booked appotiemnt on June 1st week to meet doctor.
Even my baby also 22 month old.
Hope you are doing good. My wife ( Gareema ) posted earlier post for the help. Sorry to hear the similar issue with your baby also.
May i request you to send your contact details to communicate further. We are based in Gurgaon.
My contact no is : +91-9811588230.