Gst on web development services

DHAVAL (Practice) (133 Points)

16 January 2020  
if someone providing web development services from india to his client who is situated in UK , and receiving payment through PayPal and turnover is Rs.50.00 lacs per year

then
1. Gst applicable or not?
2. is he liable to get registered under gst?
3. How to show entry in GSTR3B and
GSTR1?