Of the 2 options, I will recommend you to go for JBIMS Mumbai. I have various reasons to support my opinion. The most important ones have been listed below 

Quality of education: Owing to its location, JBIMS attracts many eminent faculty from the industry to the campus apart from the general guest lectures. Some of these big names include

• Prof. Moradian: Esse Group - Boman Moradian
• Prof. Shivanand & Kedar Mankekar
• Prof. Sandeep Gokhale: Appointed at JSW Aluminium
• Prof. Ghadiyar: Nitin Ghadiyar: Executive Profile & Biography

Placements: The quality of placements at JBIMS is excellent with many big firms visiting the campus. Some of the big names in respective domains are

• Finance: Citi, Stan C, HSBC, JPMC, all Indian banks, IB roles
• Marketing: HUL, P&G, PepsiCo, Marico, ColPal, Dabur, HCCB 
• Consulting: Mckinsey, BCG, EnY, Cognizant Business Consulting, Infosys Consulting

Industrial Touch: With its splendid location, JBIMS enjoys strong interference with industries. These industries give live projects to the students that provide top-notch learning opportunities. The campus is within walking distance from big shots like HDFC, HUL office, ICICI, BCG, and McKinsey.

Competitions: The students at JBIMS have made their names by participating in National Competitions like HUL LIME, P&G Dream Team, JP Morgan - The Deal, Nomura Investment Banking Case Study Contest, and PepsiCo BIAC.

Alumni base: JBIMS has an elaborate alumni base and has been nicknamed the CEO factory owing to the huge number of CEOs it has given birth to. Some of the most famous ones are

• Noshir Kaka - MD, Mckinsey India
• Nitin Paranjpe - Former CEO HUL, now, Global role, Unilever
• Kainaz Gazder - Former Marketing Director, now, Global role P&G China
• Vinita Bali - Leadership Role at Britannia
• Mani Ratnam - Acclaimed Film-maker
• Sam Balsara - Madison Communication
• Chanda Kocchar - MD, ICICI Bank
• Ajay Piramal - Piramal Healthcare
• Paresh Sukhtankar, MD, HDFC Bank
• Sanjay Lalbhai, Chairman & MD of Arvind Ltd.

JBIMS is in the vicinity of Marine drive and other places of socialization. The hostel is just five minutes away. Overall the campus and the institute, in general, seem promising and you won’t regret your decision of joining it.