Since it is 9 year old marriage the case of dowry isn’t applicable as the time period is of roughly 7 years in general sense.
Yes you have to pay alimony irrespective of how much you contributed during a married period.
You can avoid a majority of alimony part if you can prove your sustenance is crossing a certain threshold like 3/4 of your income.
Indian laws do apply, of what type would be better advised by a good family court lawyer. Do ping me if it’s in uttar pradesh.
You can take instant divorce with minimal alimony if you can prove wife was cruel and it’s extremly difficult.
Most sensible thing is to settle off court and head for a mutual divorce and start from scratch with fresh energy (personal experience)