> I see few people coming from Jharkhand and working as waitresses in my state
Ststistically, a young Santali woman from rural Jharkhand would most likely end up working in West Bengal, Maharashtra, or Karnataka [0] according to Jharkhand's Migration Survey.
> Also, your first link mentions Bihar not Jharkhand
Because HDI and developmental indicators remain roughly comparable in both states. Salaries in Bihar are comparable to salaries for similar roles in Jharkhand, Eastern UP, or Northern portions of West Bengal.
[0] - https://iimad.org/wp-content/uploads/2025/05/salx20170525s-i...