Halal meats are available in larger cities, but unfortunately, it is still not readily available here in Mie. There are numerous routes and sources to buy halal meat online, which can be delivered to your door which is perhaps more convenient!
There is a halal restaurant in northern Mie (Kuwana) that serves Pakistani/Indian cuisine.
Also in Iga, there is a soy sauce brewery that has successfully removed traces of alcohol from their soy products specifically for their Muslim consumers.
For more restaurant, business certification and grocery information, check out http://www.halalmedia.jp/