What are the consequences of unable file GST returns through BUSY ? I am not receiving OTP for GST filing. How to resolve this issue?

A: There are many reason of unable to upload GST retrun on portal :
 1: lastest release of BUSY before generate JSON of GSt e-retrun make sure you are using latest release of BUSY as new changes regarding GST retrun comes in new updates 
 2: Some error is present on JSON if you proceed with JSON option so you have to clear all possible error while generate gst e-return
 3: Check your hsn code length. make sure that your all hsn code lengh entered according to your turnover
 4: If your generate retrun through govt. template then make sure you are using latest template 
 B: For OTP not receiving while using direct upload option for gst retrun 
 1: Check your GST portal user name from features/option then gst/vat 
 2: Check that API access is enable from gst portal if disable then you can enable it (Open gst portal click on view profile & then select manage API access enable for 30 days and confirm)
 3: Message inbox have enough space not OTP sms 
 4: after check all above option and then also you didn't receive then you concern with GST portal customer helpline as OTP generate through portal