My answer might not align exactly with your thoughts but still putting some ideas for you.
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If the goal is changing family’s financial status, that’s possible here as well. With CS & decent hard work, you can crack top 1% EARNING club membership. Overall, what I meant to say “Moving to US” isn’t the only option available nowadays.
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Breaking some of the US routes as you mentioned
MS - High probability, Medium Risk
L1 - Low probability, Low Risk
O1 - Very Low probability, Low Risk
You have to balance chances & risk, pick what works best for you. Good luck!