Registration Query

1. If I am getting Rental income from Lending out Property for residential purpose and earning 15 Lakhs pa.

2. Also in continuation if I am earning 15 lakhs pa as interest income.

In total I am earning 40 lakhs pa from the above two sources.

My query is that, is it message for me to register under GST in any way. As I am retired any these two are only my source of income.

Please help in case with above situation.

Thank You