As you asking for the names of the Merchant Navy Institutes of pune the names are as follow :

Vishwakarma Maritime Institute, Pune (Maharashtra)

Survey No. 2, Laxmi Nagar, Kondhawa Budruk , Pune (Pune Dist.) - 411048
Great Eastern Institute of Maritime Studies, Pune (Maharashtra)

The Great Eastern Institute of Maritime Studies, 54-56 Tungarli Village, Next to Perfect Engineering Works, Mumbai - Pune Express Highway , Pune (Pune Dist.) - 410401
Maharashtra Academy of Naval Education and Training (MANET), Pune (Maharashtra)

Gat No. 140, Loni Kalbhor, Rajbaug, Pune - Solapur Highway , Pune (Pune Dist.) - 412201

Apart from this other some good Merchant Navy Institutes are as follow :
College of Maritime Studies & Research
Dr. B.R. Ambedkar Govt. Polytechnique
Garden Reach Ship Builders & Engineers Ltd
Haldia Institute of Maritime Studies & Research
Marine Education Charitable Trust
Maritime Academy of India
Maritime Education Training & Research Institute
Mercantile Marine Academy Foundation
Neotia Institute of Technology, Management and Science
Orissa Maritime Academy
S.E.I. Education Trust
SEI Education Trust (Campus)
Seacom Marine College
Sensea Maritime Academy