Finance advice

32 M single

I am moving back from US to India in a month. Likelihood that I will come back to the US is very slim.
I have some cash (significant for me, small compared to FIRE people). I want to invest cash for long term (not planning to use in the near future). What would be ideal strategy?

  1. Move all cash to India and invest in Indian market - MF, FD etc. Challenge being I have to learn Indian market and do some research for investing, so ~6 months money sitting idle.
  2. Keep all cash in US market - ETF's via international brokerage like Charles Schwab. I am not going to day trade, just buy ETF's and major stocks. In long future, withdraw as needed. Challenge being pay US taxes and Indian taxes and navigate complexity of DTAA treaty. I am bit nervous about being able to manage/handle/withdraw US based firm's account from India
  3. Combination of above 2 - what could be ideal mix?

I am aware of RNOR status, is there any way I can use that to my advantage ?

Please advice.