"Italian firm Fincantieri was roped in to provide consultancy for the propulsion package while Russian support was sought for the aviation complex"
and it has 92 toilets:
"Most fascinating right now is the work on sailor living spaces on the sixth deck from the top, where an impressive state-of-the-art sanitation space, with modern showers and vacuum toilets, has come up. We have 92 such sanitation spaces along the ship...."
https://www.thehindu.com/news/national/kerala/in-the-heart-of-the-iron-beast/article18440534.ece