Are both OK:
I wish India had lactose intolerant milk.
And
I wish there was lactose intolerant milk in India.
And I wish there was lactose intolerant milk in India. Yes, but this is formally better for your second one: I wish there were lactose intolerant milk in India.
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eslbroAre both OK: I wish India had lactose intolerant milk.And I wish there was lactose intolerant milk in India.
Yes, but this is formally better for your second one:
I wish there were lactose intolerant milk in India.
eslbroAre both OK:
I wish India had lactose intolerant milk.
And
I wish there was lactose intolerant milk in India.
It's the people who are lactose intolerant, not the milk.
I wish [India had milk / there were milk in India] for people who are lactose intolerant.
CJ
eslbroAre both OK:
I wish India had lactose intolerant milk.
And
I wish there was lactose intolerant milk in India.
It would be more natural to say I wish that lactose free milk was available in India.