Penalty for non registration under gst

imran (student) (25 Points)

24 July 2018  

Respected Members & Friends 

i want suggestion on following matter in the eye of law if turnover of business cross 4000000 but he not get register for GST 

 

he is doing business of 5% tax product.

how much penalty he has to pay for this 

Rs. 10000 or

10% of tax on 4000000 @ 5%

Rs. 25000

or 100% tax on said sales of 4000000.

consequences if he Register now .

 please  suggest which amount he has to pay.