What are your reasons for using SIP? That will only make you complicated, because you are free to buy bitcoin without SIP.
The bitcoin you buy is your property, so no one will interfere with your bitcoin balance from any party.
Bitcoin gives you the freedom to do everything, including using it as an investment asset.
the freedom given by bitcoin is quite good, using SIP makes it more complicated. it's good to do your own management because you can do full access in it, you can sell according to the time you do. do not do complicated things here, because there are various ways that are easier and you can use it