Hello,
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Yes, MBBS in Maharashtra reserves 5% seats for children of defense service personal and ex defence personal.
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Now coming to NUM of  seats,.it depends on the Institute you choose, in the total  number of seats, seats will be divided under category wise/ ex service wise and disabled person wise. Here is the link, you will get all the details and information here please visit the link.
https://medicine.careers360.com/articles/mbbs-seats-in-maharashtra

Under 85% State Counselling, there is 1% reservation for Maharashtra. This applies to all Colleges that participate in State Counselling. The 1% quota is not per College. It is 1% across State Counselling. For any guidance during counselling and admission, you can use our MBBS Companion: https://www.careers360.com/mbbs-companion