Netherlands has tax exemption for expert professionals.
So, 90k with 30% ruling would be around 5700-5900 in hand roughly.
Now, costs 1000-1200 euro for bachelor rent, 1000 utilities, 100 euro transport, 500 miscellaneous.
Saving around 3000 euros per month. So around 3 lakhs per month. Cut one visit to country, 2 EU country trips - shouldn’t exceed 5-6 lakhs overall. So savings around 30 lakhs.
Now India : 43 LPA salary means around 2.6-2.7 lakhs per month. Your rent, transport and utilities take away around 50-60k per month, 10-20k miscellaneous. 2 trips in India - around 1 lakh.
So, savings around 22-24 lakhs per year.
Already 90k Dutch salary beating Indian salary by 5-10 lakhs if you are disciplined.
The gap will increase if you have a family since we pay taxes like USA to receive services like Somalia.