1. ~4% of their GDP is from remittances, compared to <1% a few decades ago[0]

2. India has a massive male surplus[1] and they actively look to send them abroad to prevent domestic unrest

[0] https://data.worldbank.org/indicator/BX.TRF.PWKR.DT.GD.ZS?lo...

[1] https://en.wikipedia.org/wiki/Demographics_of_India