Both are the good colleges. As per the analyzing report of Careers360 ITM Navi Mumbai & Alliance University both have AAA+ rating which means good. The rating is based on the research of the college on the placement, Faculty & Industry Exposure etc.

The companies visit to the campus ITM Mumbai is Barclays, Birla Sun Life Insurance, Berger, Citi Bank, HDFC Bank etc.You can check the complete placement with the given below link.

ITM Navi Mumbai Placement

The companies visit to the campus like Amazon Khimji Ramdas LLC Amazon India  Kotak Mahindra Bank Ansrsource Kotak Securities Ltd. etc. You can check the complete placement with the given below link.

Alliance Placement

You can also check the genuine reviews of the colleges with the given below links.

Alliance University reviews

ITM Navi Mumbai Reviews

Good Luck!