The anusvaara before a 'य' is apparently pronounced as 'ञ'.
However, I wonder why there are a lot of words where the 'य' is associated with other nasals (न्याय, अन्यथा, पुण्य, वरेण्य, रम्या).
The only words I can think of that use the anusvaara before the 'य' is 'संयुक्त', 'संयोग', etc, and I...