This is indeed very shocking and sad. Condolences to her family!
However, miniscule her role was, Neelu/Neeru did share good chemistry with the rest of the cast. Even when the show lost its essence , and the main characters butchered, Neelu's presence on screen every now and then always made us nostalgic, taking us back to the good old days of YHM. The YHM fandom will always remember her.
I hope her family and friends find the strength to cope with this loss.