FEMA ACT- PROI Forex Trading Overseas

I am Seafarer working in foreign going ship since 2015 and received a salary in USD in NRE account. 1) Last contract I did from January 28 2020 to July 4th 2020. Will I be considered PROI for this financial year? 2) The money I have in NRE account can I used to do forex trading overseas with an international forex broker which may be or may not be registered with SEBI. Being PROI will the RBI regulation of 17th Sep 2013 or say any related rule or regulation of FEMA or RBI or SEBI makes it illegal for me. 3) Suppose I resign today and become a permanent resident of India and convert by NRE account to RFC account. and from tomorrow i start doing forex trading overseas using my RFC account balance even when i become an individual resident in India, will it be completely legal. (Based on FEMA ACT section 6 subsection 4) (I want to binary option from NADEX (North american derivative exchange, which is regulated under the CTFC in USA) - this exchange and product is legal in USA.