GSTN not received yet

Twinkle Agrawal (71 Points)

27 June 2017  
i got my firm registerd on sunday everything got verified but still i don't receive GSTN.when i am trying to login it shows u already have GSTN login by using that and password but i dont recive it on mail any password or GSTN. NO one is answering call on helpline it sounds busy what should i do?