A couple questions about Hindi.
How long does it typically take to go from Beta to a full version? How long till we get Hindi on mobile and do we need to wait for the Beta to finish to get Hindi on mobile?
How long is this piece of string I am holding ?
It is dependent of quite a number of factors. The most important is how the course performs against the desired statistics.
It is not constricted to a specific time deadline. It is dependent on how the course performs - looking at statistical data.